Home / 10,812.32-14,920.10-6,097.76

Finding the Fourth Proportional to 10,812.32, 14,920.10 and 6,097.76

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Solution

The fourth proportional to 10,812.32, 14,920.10 and 6,097.76 is: 8,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.32 : 14,920.10 = 6,097.76 : x
  2. Step 2: Convert to fraction form
    10,812.32/14,920.10 = 6,097.76/x
  3. Step 3: Cross multiply
    10,812.32x = 14,920.10 × 6,097.76
  4. Step 4: Simplify right side
    10,812.32x = 90,979,188.98
  5. Step 5: Solve for x
    x = 90,979,188.98/10,812.32
  6. Step 6: Final answer
    x = 8,414.40

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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.