Home / 10,120.34-13,966.07-5,928.59

Finding the Fourth Proportional to 10,120.34, 13,966.07 and 5,928.59

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Solution

The fourth proportional to 10,120.34, 13,966.07 and 5,928.59 is: 8,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.34 : 13,966.07 = 5,928.59 : x
  2. Step 2: Convert to fraction form
    10,120.34/13,966.07 = 5,928.59/x
  3. Step 3: Cross multiply
    10,120.34x = 13,966.07 × 5,928.59
  4. Step 4: Simplify right side
    10,120.34x = 82,799,102.94
  5. Step 5: Solve for x
    x = 82,799,102.94/10,120.34
  6. Step 6: Final answer
    x = 8,181.45

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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.