Home / 8,999.04-12,418.54-5,020.05

Finding the Fourth Proportional to 8,999.04, 12,418.54 and 5,020.05

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Solution

The fourth proportional to 8,999.04, 12,418.54 and 5,020.05 is: 6,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.04 : 12,418.54 = 5,020.05 : x
  2. Step 2: Convert to fraction form
    8,999.04/12,418.54 = 5,020.05/x
  3. Step 3: Cross multiply
    8,999.04x = 12,418.54 × 5,020.05
  4. Step 4: Simplify right side
    8,999.04x = 62,341,691.73
  5. Step 5: Solve for x
    x = 62,341,691.73/8,999.04
  6. Step 6: Final answer
    x = 6,927.59

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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.