Home / 11,587.93-15,991.35-6,282.70

Finding the Fourth Proportional to 11,587.93, 15,991.35 and 6,282.70

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Solution

The fourth proportional to 11,587.93, 15,991.35 and 6,282.70 is: 8,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.93 : 15,991.35 = 6,282.70 : x
  2. Step 2: Convert to fraction form
    11,587.93/15,991.35 = 6,282.70/x
  3. Step 3: Cross multiply
    11,587.93x = 15,991.35 × 6,282.70
  4. Step 4: Simplify right side
    11,587.93x = 100,468,854.65
  5. Step 5: Solve for x
    x = 100,468,854.65/11,587.93
  6. Step 6: Final answer
    x = 8,670.13

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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.