Home / 11,870.83-16,382.15-6,565.33

Finding the Fourth Proportional to 11,870.83, 16,382.15 and 6,565.33

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Solution

The fourth proportional to 11,870.83, 16,382.15 and 6,565.33 is: 9,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.83 : 16,382.15 = 6,565.33 : x
  2. Step 2: Convert to fraction form
    11,870.83/16,382.15 = 6,565.33/x
  3. Step 3: Cross multiply
    11,870.83x = 16,382.15 × 6,565.33
  4. Step 4: Simplify right side
    11,870.83x = 107,554,220.86
  5. Step 5: Solve for x
    x = 107,554,220.86/11,870.83
  6. Step 6: Final answer
    x = 9,060.38

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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.