Home / 7,931.36-11,902.08-4,651.04

Finding the Fourth Proportional to 7,931.36, 11,902.08 and 4,651.04

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Solution

The fourth proportional to 7,931.36, 11,902.08 and 4,651.04 is: 6,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.36 : 11,902.08 = 4,651.04 : x
  2. Step 2: Convert to fraction form
    7,931.36/11,902.08 = 4,651.04/x
  3. Step 3: Cross multiply
    7,931.36x = 11,902.08 × 4,651.04
  4. Step 4: Simplify right side
    7,931.36x = 55,357,050.16
  5. Step 5: Solve for x
    x = 55,357,050.16/7,931.36
  6. Step 6: Final answer
    x = 6,979.52

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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.