Home / 9,479.04-13,081.14-5,287.56

Finding the Fourth Proportional to 9,479.04, 13,081.14 and 5,287.56

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Solution

The fourth proportional to 9,479.04, 13,081.14 and 5,287.56 is: 7,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.04 : 13,081.14 = 5,287.56 : x
  2. Step 2: Convert to fraction form
    9,479.04/13,081.14 = 5,287.56/x
  3. Step 3: Cross multiply
    9,479.04x = 13,081.14 × 5,287.56
  4. Step 4: Simplify right side
    9,479.04x = 69,167,312.62
  5. Step 5: Solve for x
    x = 69,167,312.62/9,479.04
  6. Step 6: Final answer
    x = 7,296.87

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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.