Home / 10,247.25-14,124.20-7,259.25

Finding the Fourth Proportional to 10,247.25, 14,124.20 and 7,259.25

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Solution

The fourth proportional to 10,247.25, 14,124.20 and 7,259.25 is: 10,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.25 : 14,124.20 = 7,259.25 : x
  2. Step 2: Convert to fraction form
    10,247.25/14,124.20 = 7,259.25/x
  3. Step 3: Cross multiply
    10,247.25x = 14,124.20 × 7,259.25
  4. Step 4: Simplify right side
    10,247.25x = 102,531,098.85
  5. Step 5: Solve for x
    x = 102,531,098.85/10,247.25
  6. Step 6: Final answer
    x = 10,005.72

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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.