Home / 10,231.08-14,114.11-6,645.79

Finding the Fourth Proportional to 10,231.08, 14,114.11 and 6,645.79

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Solution

The fourth proportional to 10,231.08, 14,114.11 and 6,645.79 is: 9,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.08 : 14,114.11 = 6,645.79 : x
  2. Step 2: Convert to fraction form
    10,231.08/14,114.11 = 6,645.79/x
  3. Step 3: Cross multiply
    10,231.08x = 14,114.11 × 6,645.79
  4. Step 4: Simplify right side
    10,231.08x = 93,799,411.10
  5. Step 5: Solve for x
    x = 93,799,411.10/10,231.08
  6. Step 6: Final answer
    x = 9,168.09

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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.