Home / 8,601.18-11,870.31-5,065.08

Finding the Fourth Proportional to 8,601.18, 11,870.31 and 5,065.08

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Solution

The fourth proportional to 8,601.18, 11,870.31 and 5,065.08 is: 6,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.18 : 11,870.31 = 5,065.08 : x
  2. Step 2: Convert to fraction form
    8,601.18/11,870.31 = 5,065.08/x
  3. Step 3: Cross multiply
    8,601.18x = 11,870.31 × 5,065.08
  4. Step 4: Simplify right side
    8,601.18x = 60,124,010.42
  5. Step 5: Solve for x
    x = 60,124,010.42/8,601.18
  6. Step 6: Final answer
    x = 6,990.21

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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.