Home / 9,276.12-13,919.76-5,118.84

Finding the Fourth Proportional to 9,276.12, 13,919.76 and 5,118.84

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Solution

The fourth proportional to 9,276.12, 13,919.76 and 5,118.84 is: 7,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.12 : 13,919.76 = 5,118.84 : x
  2. Step 2: Convert to fraction form
    9,276.12/13,919.76 = 5,118.84/x
  3. Step 3: Cross multiply
    9,276.12x = 13,919.76 × 5,118.84
  4. Step 4: Simplify right side
    9,276.12x = 71,253,024.28
  5. Step 5: Solve for x
    x = 71,253,024.28/9,276.12
  6. Step 6: Final answer
    x = 7,681.34

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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.