Home / 9,316.76-13,988.97-3,780.95

Finding the Fourth Proportional to 9,316.76, 13,988.97 and 3,780.95

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Solution

The fourth proportional to 9,316.76, 13,988.97 and 3,780.95 is: 5,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.76 : 13,988.97 = 3,780.95 : x
  2. Step 2: Convert to fraction form
    9,316.76/13,988.97 = 3,780.95/x
  3. Step 3: Cross multiply
    9,316.76x = 13,988.97 × 3,780.95
  4. Step 4: Simplify right side
    9,316.76x = 52,891,526.18
  5. Step 5: Solve for x
    x = 52,891,526.18/9,316.76
  6. Step 6: Final answer
    x = 5,677.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.