Home / 11,316.17-15,625.64-7,344.07

Finding the Fourth Proportional to 11,316.17, 15,625.64 and 7,344.07

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Solution

The fourth proportional to 11,316.17, 15,625.64 and 7,344.07 is: 10,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.17 : 15,625.64 = 7,344.07 : x
  2. Step 2: Convert to fraction form
    11,316.17/15,625.64 = 7,344.07/x
  3. Step 3: Cross multiply
    11,316.17x = 15,625.64 × 7,344.07
  4. Step 4: Simplify right side
    11,316.17x = 114,755,773.25
  5. Step 5: Solve for x
    x = 114,755,773.25/11,316.17
  6. Step 6: Final answer
    x = 10,140.86

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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.