Home / 10,124.64-13,972.66-5,649.08

Finding the Fourth Proportional to 10,124.64, 13,972.66 and 5,649.08

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Solution

The fourth proportional to 10,124.64, 13,972.66 and 5,649.08 is: 7,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.64 : 13,972.66 = 5,649.08 : x
  2. Step 2: Convert to fraction form
    10,124.64/13,972.66 = 5,649.08/x
  3. Step 3: Cross multiply
    10,124.64x = 13,972.66 × 5,649.08
  4. Step 4: Simplify right side
    10,124.64x = 78,932,590.17
  5. Step 5: Solve for x
    x = 78,932,590.17/10,124.64
  6. Step 6: Final answer
    x = 7,796.09

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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.