Home / 10,132.98-13,983.44-5,656.48

Finding the Fourth Proportional to 10,132.98, 13,983.44 and 5,656.48

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Solution

The fourth proportional to 10,132.98, 13,983.44 and 5,656.48 is: 7,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.98 : 13,983.44 = 5,656.48 : x
  2. Step 2: Convert to fraction form
    10,132.98/13,983.44 = 5,656.48/x
  3. Step 3: Cross multiply
    10,132.98x = 13,983.44 × 5,656.48
  4. Step 4: Simplify right side
    10,132.98x = 79,097,048.69
  5. Step 5: Solve for x
    x = 79,097,048.69/10,132.98
  6. Step 6: Final answer
    x = 7,805.90

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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.