Home / 9,404.49-12,977.51-5,154.87

Finding the Fourth Proportional to 9,404.49, 12,977.51 and 5,154.87

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Solution

The fourth proportional to 9,404.49, 12,977.51 and 5,154.87 is: 7,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.49 : 12,977.51 = 5,154.87 : x
  2. Step 2: Convert to fraction form
    9,404.49/12,977.51 = 5,154.87/x
  3. Step 3: Cross multiply
    9,404.49x = 12,977.51 × 5,154.87
  4. Step 4: Simplify right side
    9,404.49x = 66,897,351.20
  5. Step 5: Solve for x
    x = 66,897,351.20/9,404.49
  6. Step 6: Final answer
    x = 7,113.34

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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.