Home / 8,130.86-11,220.29-4,593.99

Finding the Fourth Proportional to 8,130.86, 11,220.29 and 4,593.99

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Solution

The fourth proportional to 8,130.86, 11,220.29 and 4,593.99 is: 6,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.86 : 11,220.29 = 4,593.99 : x
  2. Step 2: Convert to fraction form
    8,130.86/11,220.29 = 4,593.99/x
  3. Step 3: Cross multiply
    8,130.86x = 11,220.29 × 4,593.99
  4. Step 4: Simplify right side
    8,130.86x = 51,545,911.54
  5. Step 5: Solve for x
    x = 51,545,911.54/8,130.86
  6. Step 6: Final answer
    x = 6,339.54

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Half scale
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Double scale
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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.