Home / 8,049.69-11,113.74-6,561.18

Finding the Fourth Proportional to 8,049.69, 11,113.74 and 6,561.18

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Solution

The fourth proportional to 8,049.69, 11,113.74 and 6,561.18 is: 9,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.69 : 11,113.74 = 6,561.18 : x
  2. Step 2: Convert to fraction form
    8,049.69/11,113.74 = 6,561.18/x
  3. Step 3: Cross multiply
    8,049.69x = 11,113.74 × 6,561.18
  4. Step 4: Simplify right side
    8,049.69x = 72,919,248.61
  5. Step 5: Solve for x
    x = 72,919,248.61/8,049.69
  6. Step 6: Final answer
    x = 9,058.64

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Half scale
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Double scale
Find fourth proportional to 8,050.69, 11,115.12 and 6,562.18
Similar ratio
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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.