Home / 10,358.60-15,528.57-3,780.17

Finding the Fourth Proportional to 10,358.60, 15,528.57 and 3,780.17

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Solution

The fourth proportional to 10,358.60, 15,528.57 and 3,780.17 is: 5,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.60 : 15,528.57 = 3,780.17 : x
  2. Step 2: Convert to fraction form
    10,358.60/15,528.57 = 3,780.17/x
  3. Step 3: Cross multiply
    10,358.60x = 15,528.57 × 3,780.17
  4. Step 4: Simplify right side
    10,358.60x = 58,700,634.46
  5. Step 5: Solve for x
    x = 58,700,634.46/10,358.60
  6. Step 6: Final answer
    x = 5,666.85

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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.