Home / 7,192.10-9,924.18-4,047.68

Finding the Fourth Proportional to 7,192.10, 9,924.18 and 4,047.68

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Solution

The fourth proportional to 7,192.10, 9,924.18 and 4,047.68 is: 5,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.10 : 9,924.18 = 4,047.68 : x
  2. Step 2: Convert to fraction form
    7,192.10/9,924.18 = 4,047.68/x
  3. Step 3: Cross multiply
    7,192.10x = 9,924.18 × 4,047.68
  4. Step 4: Simplify right side
    7,192.10x = 40,169,904.90
  5. Step 5: Solve for x
    x = 40,169,904.90/7,192.10
  6. Step 6: Final answer
    x = 5,585.28

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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.