Home / 8,941.53-12,335.45-5,402.69

Finding the Fourth Proportional to 8,941.53, 12,335.45 and 5,402.69

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Solution

The fourth proportional to 8,941.53, 12,335.45 and 5,402.69 is: 7,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.53 : 12,335.45 = 5,402.69 : x
  2. Step 2: Convert to fraction form
    8,941.53/12,335.45 = 5,402.69/x
  3. Step 3: Cross multiply
    8,941.53x = 12,335.45 × 5,402.69
  4. Step 4: Simplify right side
    8,941.53x = 66,644,612.36
  5. Step 5: Solve for x
    x = 66,644,612.36/8,941.53
  6. Step 6: Final answer
    x = 7,453.38

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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.