Home / 7,117.15-9,821.00-4,132.92

Finding the Fourth Proportional to 7,117.15, 9,821.00 and 4,132.92

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Solution

The fourth proportional to 7,117.15, 9,821.00 and 4,132.92 is: 5,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.15 : 9,821.00 = 4,132.92 : x
  2. Step 2: Convert to fraction form
    7,117.15/9,821.00 = 4,132.92/x
  3. Step 3: Cross multiply
    7,117.15x = 9,821.00 × 4,132.92
  4. Step 4: Simplify right side
    7,117.15x = 40,589,369.08
  5. Step 5: Solve for x
    x = 40,589,369.08/7,117.15
  6. Step 6: Final answer
    x = 5,703.04

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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.