Home / 9,778.14-13,493.76-5,301.84

Finding the Fourth Proportional to 9,778.14, 13,493.76 and 5,301.84

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Solution

The fourth proportional to 9,778.14, 13,493.76 and 5,301.84 is: 7,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.14 : 13,493.76 = 5,301.84 : x
  2. Step 2: Convert to fraction form
    9,778.14/13,493.76 = 5,301.84/x
  3. Step 3: Cross multiply
    9,778.14x = 13,493.76 × 5,301.84
  4. Step 4: Simplify right side
    9,778.14x = 71,541,756.52
  5. Step 5: Solve for x
    x = 71,541,756.52/9,778.14
  6. Step 6: Final answer
    x = 7,316.50

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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.