Home / 11,740.95-16,218.03-8,751.59

Finding the Fourth Proportional to 11,740.95, 16,218.03 and 8,751.59

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Solution

The fourth proportional to 11,740.95, 16,218.03 and 8,751.59 is: 12,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.95 : 16,218.03 = 8,751.59 : x
  2. Step 2: Convert to fraction form
    11,740.95/16,218.03 = 8,751.59/x
  3. Step 3: Cross multiply
    11,740.95x = 16,218.03 × 8,751.59
  4. Step 4: Simplify right side
    11,740.95x = 141,933,561.71
  5. Step 5: Solve for x
    x = 141,933,561.71/11,740.95
  6. Step 6: Final answer
    x = 12,088.76

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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.