Home / 10,400.31-14,352.44-5,684.59

Finding the Fourth Proportional to 10,400.31, 14,352.44 and 5,684.59

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Solution

The fourth proportional to 10,400.31, 14,352.44 and 5,684.59 is: 7,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.31 : 14,352.44 = 5,684.59 : x
  2. Step 2: Convert to fraction form
    10,400.31/14,352.44 = 5,684.59/x
  3. Step 3: Cross multiply
    10,400.31x = 14,352.44 × 5,684.59
  4. Step 4: Simplify right side
    10,400.31x = 81,587,726.42
  5. Step 5: Solve for x
    x = 81,587,726.42/10,400.31
  6. Step 6: Final answer
    x = 7,844.74

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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.