Home / 12,475.08-17,211.20-8,001.26

Finding the Fourth Proportional to 12,475.08, 17,211.20 and 8,001.26

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Solution

The fourth proportional to 12,475.08, 17,211.20 and 8,001.26 is: 11,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.08 : 17,211.20 = 8,001.26 : x
  2. Step 2: Convert to fraction form
    12,475.08/17,211.20 = 8,001.26/x
  3. Step 3: Cross multiply
    12,475.08x = 17,211.20 × 8,001.26
  4. Step 4: Simplify right side
    12,475.08x = 137,711,286.11
  5. Step 5: Solve for x
    x = 137,711,286.11/12,475.08
  6. Step 6: Final answer
    x = 11,038.91

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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.