Home / 12,482.28-17,223.30-7,444.62

Finding the Fourth Proportional to 12,482.28, 17,223.30 and 7,444.62

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Solution

The fourth proportional to 12,482.28, 17,223.30 and 7,444.62 is: 10,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.28 : 17,223.30 = 7,444.62 : x
  2. Step 2: Convert to fraction form
    12,482.28/17,223.30 = 7,444.62/x
  3. Step 3: Cross multiply
    12,482.28x = 17,223.30 × 7,444.62
  4. Step 4: Simplify right side
    12,482.28x = 128,220,923.65
  5. Step 5: Solve for x
    x = 128,220,923.65/12,482.28
  6. Step 6: Final answer
    x = 10,272.24

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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.