Home / 7,475.06-11,124.35-7,225.91

Finding the Fourth Proportional to 7,475.06, 11,124.35 and 7,225.91

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Solution

The fourth proportional to 7,475.06, 11,124.35 and 7,225.91 is: 10,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.06 : 11,124.35 = 7,225.91 : x
  2. Step 2: Convert to fraction form
    7,475.06/11,124.35 = 7,225.91/x
  3. Step 3: Cross multiply
    7,475.06x = 11,124.35 × 7,225.91
  4. Step 4: Simplify right side
    7,475.06x = 80,383,539.13
  5. Step 5: Solve for x
    x = 80,383,539.13/7,475.06
  6. Step 6: Final answer
    x = 10,753.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.