Home / 10,715.04-16,036.56-10,306.08

Finding the Fourth Proportional to 10,715.04, 16,036.56 and 10,306.08

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Solution

The fourth proportional to 10,715.04, 16,036.56 and 10,306.08 is: 15,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.04 : 16,036.56 = 10,306.08 : x
  2. Step 2: Convert to fraction form
    10,715.04/16,036.56 = 10,306.08/x
  3. Step 3: Cross multiply
    10,715.04x = 16,036.56 × 10,306.08
  4. Step 4: Simplify right side
    10,715.04x = 165,274,070.28
  5. Step 5: Solve for x
    x = 165,274,070.28/10,715.04
  6. Step 6: Final answer
    x = 15,424.49

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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.