Home / 9,160.48-13,719.34-6,689.17

Finding the Fourth Proportional to 9,160.48, 13,719.34 and 6,689.17

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Solution

The fourth proportional to 9,160.48, 13,719.34 and 6,689.17 is: 10,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.48 : 13,719.34 = 6,689.17 : x
  2. Step 2: Convert to fraction form
    9,160.48/13,719.34 = 6,689.17/x
  3. Step 3: Cross multiply
    9,160.48x = 13,719.34 × 6,689.17
  4. Step 4: Simplify right side
    9,160.48x = 91,770,997.55
  5. Step 5: Solve for x
    x = 91,770,997.55/9,160.48
  6. Step 6: Final answer
    x = 10,018.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.