Home / 7,439.04-11,152.08-4,156.92

Finding the Fourth Proportional to 7,439.04, 11,152.08 and 4,156.92

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Solution

The fourth proportional to 7,439.04, 11,152.08 and 4,156.92 is: 6,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.04 : 11,152.08 = 4,156.92 : x
  2. Step 2: Convert to fraction form
    7,439.04/11,152.08 = 4,156.92/x
  3. Step 3: Cross multiply
    7,439.04x = 11,152.08 × 4,156.92
  4. Step 4: Simplify right side
    7,439.04x = 46,358,304.39
  5. Step 5: Solve for x
    x = 46,358,304.39/7,439.04
  6. Step 6: Final answer
    x = 6,231.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.