Home / 7,192.17-9,924.95-4,047.75

Finding the Fourth Proportional to 7,192.17, 9,924.95 and 4,047.75

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Solution

The fourth proportional to 7,192.17, 9,924.95 and 4,047.75 is: 5,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.17 : 9,924.95 = 4,047.75 : x
  2. Step 2: Convert to fraction form
    7,192.17/9,924.95 = 4,047.75/x
  3. Step 3: Cross multiply
    7,192.17x = 9,924.95 × 4,047.75
  4. Step 4: Simplify right side
    7,192.17x = 40,173,696.12
  5. Step 5: Solve for x
    x = 40,173,696.12/7,192.17
  6. Step 6: Final answer
    x = 5,585.75

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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.