Home / 9,005.97-12,428.28-5,027.25

Finding the Fourth Proportional to 9,005.97, 12,428.28 and 5,027.25

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Solution

The fourth proportional to 9,005.97, 12,428.28 and 5,027.25 is: 6,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.97 : 12,428.28 = 5,027.25 : x
  2. Step 2: Convert to fraction form
    9,005.97/12,428.28 = 5,027.25/x
  3. Step 3: Cross multiply
    9,005.97x = 12,428.28 × 5,027.25
  4. Step 4: Simplify right side
    9,005.97x = 62,480,070.63
  5. Step 5: Solve for x
    x = 62,480,070.63/9,005.97
  6. Step 6: Final answer
    x = 6,937.63

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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.