Home / 11,587.91-15,990.36-6,552.65

Finding the Fourth Proportional to 11,587.91, 15,990.36 and 6,552.65

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Solution

The fourth proportional to 11,587.91, 15,990.36 and 6,552.65 is: 9,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.91 : 15,990.36 = 6,552.65 : x
  2. Step 2: Convert to fraction form
    11,587.91/15,990.36 = 6,552.65/x
  3. Step 3: Cross multiply
    11,587.91x = 15,990.36 × 6,552.65
  4. Step 4: Simplify right side
    11,587.91x = 104,779,152.50
  5. Step 5: Solve for x
    x = 104,779,152.50/11,587.91
  6. Step 6: Final answer
    x = 9,042.11

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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.