Home / 9,432.14-12,986.52-7,186.82

Finding the Fourth Proportional to 9,432.14, 12,986.52 and 7,186.82

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Solution

The fourth proportional to 9,432.14, 12,986.52 and 7,186.82 is: 9,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.14 : 12,986.52 = 7,186.82 : x
  2. Step 2: Convert to fraction form
    9,432.14/12,986.52 = 7,186.82/x
  3. Step 3: Cross multiply
    9,432.14x = 12,986.52 × 7,186.82
  4. Step 4: Simplify right side
    9,432.14x = 93,331,781.67
  5. Step 5: Solve for x
    x = 93,331,781.67/9,432.14
  6. Step 6: Final answer
    x = 9,895.08

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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.