Home / 10,092.79-15,144.45-5,718.79

Finding the Fourth Proportional to 10,092.79, 15,144.45 and 5,718.79

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Solution

The fourth proportional to 10,092.79, 15,144.45 and 5,718.79 is: 8,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.79 : 15,144.45 = 5,718.79 : x
  2. Step 2: Convert to fraction form
    10,092.79/15,144.45 = 5,718.79/x
  3. Step 3: Cross multiply
    10,092.79x = 15,144.45 × 5,718.79
  4. Step 4: Simplify right side
    10,092.79x = 86,607,929.22
  5. Step 5: Solve for x
    x = 86,607,929.22/10,092.79
  6. Step 6: Final answer
    x = 8,581.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.