Home / 10,079.28-13,907.75-5,602.91

Finding the Fourth Proportional to 10,079.28, 13,907.75 and 5,602.91

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Solution

The fourth proportional to 10,079.28, 13,907.75 and 5,602.91 is: 7,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.28 : 13,907.75 = 5,602.91 : x
  2. Step 2: Convert to fraction form
    10,079.28/13,907.75 = 5,602.91/x
  3. Step 3: Cross multiply
    10,079.28x = 13,907.75 × 5,602.91
  4. Step 4: Simplify right side
    10,079.28x = 77,923,774.00
  5. Step 5: Solve for x
    x = 77,923,774.00/10,079.28
  6. Step 6: Final answer
    x = 7,731.09

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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.