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Finding the Fourth Proportional to 8,130.58, 11,220.42 and 4,593.71

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Solution

The fourth proportional to 8,130.58, 11,220.42 and 4,593.71 is: 6,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.58 : 11,220.42 = 4,593.71 : x
  2. Step 2: Convert to fraction form
    8,130.58/11,220.42 = 4,593.71/x
  3. Step 3: Cross multiply
    8,130.58x = 11,220.42 × 4,593.71
  4. Step 4: Simplify right side
    8,130.58x = 51,543,332.59
  5. Step 5: Solve for x
    x = 51,543,332.59/8,130.58
  6. Step 6: Final answer
    x = 6,339.44

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Half scale
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Double scale
Find fourth proportional to 8,131.58, 11,221.80 and 4,594.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.