Home / 8,130.07-11,219.47-4,593.28

Finding the Fourth Proportional to 8,130.07, 11,219.47 and 4,593.28

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Solution

The fourth proportional to 8,130.07, 11,219.47 and 4,593.28 is: 6,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.07 : 11,219.47 = 4,593.28 : x
  2. Step 2: Convert to fraction form
    8,130.07/11,219.47 = 4,593.28/x
  3. Step 3: Cross multiply
    8,130.07x = 11,219.47 × 4,593.28
  4. Step 4: Simplify right side
    8,130.07x = 51,534,167.16
  5. Step 5: Solve for x
    x = 51,534,167.16/8,130.07
  6. Step 6: Final answer
    x = 6,338.71

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Half scale
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Double scale
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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.