Home / 9,192.14-12,691.17-6,368.18

Finding the Fourth Proportional to 9,192.14, 12,691.17 and 6,368.18

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Solution

The fourth proportional to 9,192.14, 12,691.17 and 6,368.18 is: 8,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.14 : 12,691.17 = 6,368.18 : x
  2. Step 2: Convert to fraction form
    9,192.14/12,691.17 = 6,368.18/x
  3. Step 3: Cross multiply
    9,192.14x = 12,691.17 × 6,368.18
  4. Step 4: Simplify right side
    9,192.14x = 80,819,591.51
  5. Step 5: Solve for x
    x = 80,819,591.51/9,192.14
  6. Step 6: Final answer
    x = 8,792.25

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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.