Home / 10,892.32-16,331.46-4,656.40

Finding the Fourth Proportional to 10,892.32, 16,331.46 and 4,656.40

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Solution

The fourth proportional to 10,892.32, 16,331.46 and 4,656.40 is: 6,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.32 : 16,331.46 = 4,656.40 : x
  2. Step 2: Convert to fraction form
    10,892.32/16,331.46 = 4,656.40/x
  3. Step 3: Cross multiply
    10,892.32x = 16,331.46 × 4,656.40
  4. Step 4: Simplify right side
    10,892.32x = 76,045,810.34
  5. Step 5: Solve for x
    x = 76,045,810.34/10,892.32
  6. Step 6: Final answer
    x = 6,981.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.