Home / 10,329.40-14,254.66-5,613.68

Finding the Fourth Proportional to 10,329.40, 14,254.66 and 5,613.68

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Solution

The fourth proportional to 10,329.40, 14,254.66 and 5,613.68 is: 7,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.40 : 14,254.66 = 5,613.68 : x
  2. Step 2: Convert to fraction form
    10,329.40/14,254.66 = 5,613.68/x
  3. Step 3: Cross multiply
    10,329.40x = 14,254.66 × 5,613.68
  4. Step 4: Simplify right side
    10,329.40x = 80,021,099.75
  5. Step 5: Solve for x
    x = 80,021,099.75/10,329.40
  6. Step 6: Final answer
    x = 7,746.93

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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.