Home / 10,580.68-14,581.20-7,748.92

Finding the Fourth Proportional to 10,580.68, 14,581.20 and 7,748.92

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Solution

The fourth proportional to 10,580.68, 14,581.20 and 7,748.92 is: 10,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.68 : 14,581.20 = 7,748.92 : x
  2. Step 2: Convert to fraction form
    10,580.68/14,581.20 = 7,748.92/x
  3. Step 3: Cross multiply
    10,580.68x = 14,581.20 × 7,748.92
  4. Step 4: Simplify right side
    10,580.68x = 112,988,552.30
  5. Step 5: Solve for x
    x = 112,988,552.30/10,580.68
  6. Step 6: Final answer
    x = 10,678.76

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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.