Home / 10,329.38-14,254.48-5,613.56

Finding the Fourth Proportional to 10,329.38, 14,254.48 and 5,613.56

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Solution

The fourth proportional to 10,329.38, 14,254.48 and 5,613.56 is: 7,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.38 : 14,254.48 = 5,613.56 : x
  2. Step 2: Convert to fraction form
    10,329.38/14,254.48 = 5,613.56/x
  3. Step 3: Cross multiply
    10,329.38x = 14,254.48 × 5,613.56
  4. Step 4: Simplify right side
    10,329.38x = 80,018,378.75
  5. Step 5: Solve for x
    x = 80,018,378.75/10,329.38
  6. Step 6: Final answer
    x = 7,746.68

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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.