Home / 10,474.30-15,713.88-9,317.62

Finding the Fourth Proportional to 10,474.30, 15,713.88 and 9,317.62

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Solution

The fourth proportional to 10,474.30, 15,713.88 and 9,317.62 is: 13,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.30 : 15,713.88 = 9,317.62 : x
  2. Step 2: Convert to fraction form
    10,474.30/15,713.88 = 9,317.62/x
  3. Step 3: Cross multiply
    10,474.30x = 15,713.88 × 9,317.62
  4. Step 4: Simplify right side
    10,474.30x = 146,415,962.57
  5. Step 5: Solve for x
    x = 146,415,962.57/10,474.30
  6. Step 6: Final answer
    x = 13,978.59

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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.