Home / 10,555.28-15,834.84-5,008.58

Finding the Fourth Proportional to 10,555.28, 15,834.84 and 5,008.58

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Solution

The fourth proportional to 10,555.28, 15,834.84 and 5,008.58 is: 7,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.28 : 15,834.84 = 5,008.58 : x
  2. Step 2: Convert to fraction form
    10,555.28/15,834.84 = 5,008.58/x
  3. Step 3: Cross multiply
    10,555.28x = 15,834.84 × 5,008.58
  4. Step 4: Simplify right side
    10,555.28x = 79,309,983.75
  5. Step 5: Solve for x
    x = 79,309,983.75/10,555.28
  6. Step 6: Final answer
    x = 7,513.77

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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.