Home / 9,008.40-12,431.52-5,029.58

Finding the Fourth Proportional to 9,008.40, 12,431.52 and 5,029.58

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Solution

The fourth proportional to 9,008.40, 12,431.52 and 5,029.58 is: 6,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.40 : 12,431.52 = 5,029.58 : x
  2. Step 2: Convert to fraction form
    9,008.40/12,431.52 = 5,029.58/x
  3. Step 3: Cross multiply
    9,008.40x = 12,431.52 × 5,029.58
  4. Step 4: Simplify right side
    9,008.40x = 62,525,262.20
  5. Step 5: Solve for x
    x = 62,525,262.20/9,008.40
  6. Step 6: Final answer
    x = 6,940.77

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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.