Home / 10,158.46-14,018.13-5,909.30

Finding the Fourth Proportional to 10,158.46, 14,018.13 and 5,909.30

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Solution

The fourth proportional to 10,158.46, 14,018.13 and 5,909.30 is: 8,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.46 : 14,018.13 = 5,909.30 : x
  2. Step 2: Convert to fraction form
    10,158.46/14,018.13 = 5,909.30/x
  3. Step 3: Cross multiply
    10,158.46x = 14,018.13 × 5,909.30
  4. Step 4: Simplify right side
    10,158.46x = 82,837,318.09
  5. Step 5: Solve for x
    x = 82,837,318.09/10,158.46
  6. Step 6: Final answer
    x = 8,154.52

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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.