Home / 7,335.12-10,122.66-4,192.32

Finding the Fourth Proportional to 7,335.12, 10,122.66 and 4,192.32

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Solution

The fourth proportional to 7,335.12, 10,122.66 and 4,192.32 is: 5,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.12 : 10,122.66 = 4,192.32 : x
  2. Step 2: Convert to fraction form
    7,335.12/10,122.66 = 4,192.32/x
  3. Step 3: Cross multiply
    7,335.12x = 10,122.66 × 4,192.32
  4. Step 4: Simplify right side
    7,335.12x = 42,437,429.97
  5. Step 5: Solve for x
    x = 42,437,429.97/7,335.12
  6. Step 6: Final answer
    x = 5,785.51

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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.