Home / 6,120.06-9,159.12-4,248.08

Finding the Fourth Proportional to 6,120.06, 9,159.12 and 4,248.08

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Solution

The fourth proportional to 6,120.06, 9,159.12 and 4,248.08 is: 6,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.06 : 9,159.12 = 4,248.08 : x
  2. Step 2: Convert to fraction form
    6,120.06/9,159.12 = 4,248.08/x
  3. Step 3: Cross multiply
    6,120.06x = 9,159.12 × 4,248.08
  4. Step 4: Simplify right side
    6,120.06x = 38,908,627.29
  5. Step 5: Solve for x
    x = 38,908,627.29/6,120.06
  6. Step 6: Final answer
    x = 6,357.56

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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.