Home / 10,079.36-13,908.90-5,602.95

Finding the Fourth Proportional to 10,079.36, 13,908.90 and 5,602.95

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Solution

The fourth proportional to 10,079.36, 13,908.90 and 5,602.95 is: 7,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.36 : 13,908.90 = 5,602.95 : x
  2. Step 2: Convert to fraction form
    10,079.36/13,908.90 = 5,602.95/x
  3. Step 3: Cross multiply
    10,079.36x = 13,908.90 × 5,602.95
  4. Step 4: Simplify right side
    10,079.36x = 77,930,871.26
  5. Step 5: Solve for x
    x = 77,930,871.26/10,079.36
  6. Step 6: Final answer
    x = 7,731.73

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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.