Home / 10,119.56-13,966.81-6,538.95

Finding the Fourth Proportional to 10,119.56, 13,966.81 and 6,538.95

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Solution

The fourth proportional to 10,119.56, 13,966.81 and 6,538.95 is: 9,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.56 : 13,966.81 = 6,538.95 : x
  2. Step 2: Convert to fraction form
    10,119.56/13,966.81 = 6,538.95/x
  3. Step 3: Cross multiply
    10,119.56x = 13,966.81 × 6,538.95
  4. Step 4: Simplify right side
    10,119.56x = 91,328,255.90
  5. Step 5: Solve for x
    x = 91,328,255.90/10,119.56
  6. Step 6: Final answer
    x = 9,024.93

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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.