Home / 12,471.06-17,209.64-7,432.69

Finding the Fourth Proportional to 12,471.06, 17,209.64 and 7,432.69

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Solution

The fourth proportional to 12,471.06, 17,209.64 and 7,432.69 is: 10,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.06 : 17,209.64 = 7,432.69 : x
  2. Step 2: Convert to fraction form
    12,471.06/17,209.64 = 7,432.69/x
  3. Step 3: Cross multiply
    12,471.06x = 17,209.64 × 7,432.69
  4. Step 4: Simplify right side
    12,471.06x = 127,913,857.65
  5. Step 5: Solve for x
    x = 127,913,857.65/12,471.06
  6. Step 6: Final answer
    x = 10,256.85

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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.