Home / 10,329.44-14,254.64-5,613.72

Finding the Fourth Proportional to 10,329.44, 14,254.64 and 5,613.72

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Solution

The fourth proportional to 10,329.44, 14,254.64 and 5,613.72 is: 7,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.44 : 14,254.64 = 5,613.72 : x
  2. Step 2: Convert to fraction form
    10,329.44/14,254.64 = 5,613.72/x
  3. Step 3: Cross multiply
    10,329.44x = 14,254.64 × 5,613.72
  4. Step 4: Simplify right side
    10,329.44x = 80,021,557.66
  5. Step 5: Solve for x
    x = 80,021,557.66/10,329.44
  6. Step 6: Final answer
    x = 7,746.94

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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.