Home / 10,228.23-14,118.60-7,542.63

Finding the Fourth Proportional to 10,228.23, 14,118.60 and 7,542.63

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Solution

The fourth proportional to 10,228.23, 14,118.60 and 7,542.63 is: 10,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.23 : 14,118.60 = 7,542.63 : x
  2. Step 2: Convert to fraction form
    10,228.23/14,118.60 = 7,542.63/x
  3. Step 3: Cross multiply
    10,228.23x = 14,118.60 × 7,542.63
  4. Step 4: Simplify right side
    10,228.23x = 106,491,375.92
  5. Step 5: Solve for x
    x = 106,491,375.92/10,228.23
  6. Step 6: Final answer
    x = 10,411.52

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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.