Home / 12,557.12-17,330.36-7,251.93

Finding the Fourth Proportional to 12,557.12, 17,330.36 and 7,251.93

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Solution

The fourth proportional to 12,557.12, 17,330.36 and 7,251.93 is: 10,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.12 : 17,330.36 = 7,251.93 : x
  2. Step 2: Convert to fraction form
    12,557.12/17,330.36 = 7,251.93/x
  3. Step 3: Cross multiply
    12,557.12x = 17,330.36 × 7,251.93
  4. Step 4: Simplify right side
    12,557.12x = 125,678,557.59
  5. Step 5: Solve for x
    x = 125,678,557.59/12,557.12
  6. Step 6: Final answer
    x = 10,008.55

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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.