Home / 10,225.73-14,115.12-6,866.66

Finding the Fourth Proportional to 10,225.73, 14,115.12 and 6,866.66

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Solution

The fourth proportional to 10,225.73, 14,115.12 and 6,866.66 is: 9,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.73 : 14,115.12 = 6,866.66 : x
  2. Step 2: Convert to fraction form
    10,225.73/14,115.12 = 6,866.66/x
  3. Step 3: Cross multiply
    10,225.73x = 14,115.12 × 6,866.66
  4. Step 4: Simplify right side
    10,225.73x = 96,923,729.90
  5. Step 5: Solve for x
    x = 96,923,729.90/10,225.73
  6. Step 6: Final answer
    x = 9,478.42

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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.