Home / 8,799.02-12,143.27-5,440.96

Finding the Fourth Proportional to 8,799.02, 12,143.27 and 5,440.96

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Solution

The fourth proportional to 8,799.02, 12,143.27 and 5,440.96 is: 7,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.02 : 12,143.27 = 5,440.96 : x
  2. Step 2: Convert to fraction form
    8,799.02/12,143.27 = 5,440.96/x
  3. Step 3: Cross multiply
    8,799.02x = 12,143.27 × 5,440.96
  4. Step 4: Simplify right side
    8,799.02x = 66,071,029.58
  5. Step 5: Solve for x
    x = 66,071,029.58/8,799.02
  6. Step 6: Final answer
    x = 7,508.91

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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.