Home / 10,983.56-15,157.60-6,203.12

Finding the Fourth Proportional to 10,983.56, 15,157.60 and 6,203.12

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Solution

The fourth proportional to 10,983.56, 15,157.60 and 6,203.12 is: 8,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.56 : 15,157.60 = 6,203.12 : x
  2. Step 2: Convert to fraction form
    10,983.56/15,157.60 = 6,203.12/x
  3. Step 3: Cross multiply
    10,983.56x = 15,157.60 × 6,203.12
  4. Step 4: Simplify right side
    10,983.56x = 94,024,320.42
  5. Step 5: Solve for x
    x = 94,024,320.42/10,983.56
  6. Step 6: Final answer
    x = 8,560.46

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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.