Home / 9,219.04-12,721.92-5,027.32

Finding the Fourth Proportional to 9,219.04, 12,721.92 and 5,027.32

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Solution

The fourth proportional to 9,219.04, 12,721.92 and 5,027.32 is: 6,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.04 : 12,721.92 = 5,027.32 : x
  2. Step 2: Convert to fraction form
    9,219.04/12,721.92 = 5,027.32/x
  3. Step 3: Cross multiply
    9,219.04x = 12,721.92 × 5,027.32
  4. Step 4: Simplify right side
    9,219.04x = 63,957,162.85
  5. Step 5: Solve for x
    x = 63,957,162.85/9,219.04
  6. Step 6: Final answer
    x = 6,937.51

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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.