Home / 11,342.56-15,650.45-6,625.93

Finding the Fourth Proportional to 11,342.56, 15,650.45 and 6,625.93

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Solution

The fourth proportional to 11,342.56, 15,650.45 and 6,625.93 is: 9,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.56 : 15,650.45 = 6,625.93 : x
  2. Step 2: Convert to fraction form
    11,342.56/15,650.45 = 6,625.93/x
  3. Step 3: Cross multiply
    11,342.56x = 15,650.45 × 6,625.93
  4. Step 4: Simplify right side
    11,342.56x = 103,698,753.04
  5. Step 5: Solve for x
    x = 103,698,753.04/11,342.56
  6. Step 6: Final answer
    x = 9,142.45

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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.