Home / 9,156.03-12,634.47-5,177.13

Finding the Fourth Proportional to 9,156.03, 12,634.47 and 5,177.13

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Solution

The fourth proportional to 9,156.03, 12,634.47 and 5,177.13 is: 7,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.03 : 12,634.47 = 5,177.13 : x
  2. Step 2: Convert to fraction form
    9,156.03/12,634.47 = 5,177.13/x
  3. Step 3: Cross multiply
    9,156.03x = 12,634.47 × 5,177.13
  4. Step 4: Simplify right side
    9,156.03x = 65,410,293.67
  5. Step 5: Solve for x
    x = 65,410,293.67/9,156.03
  6. Step 6: Final answer
    x = 7,143.96

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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.