Home / 7,116.75-9,820.37-4,132.00

Finding the Fourth Proportional to 7,116.75, 9,820.37 and 4,132.00

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Solution

The fourth proportional to 7,116.75, 9,820.37 and 4,132.00 is: 5,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.75 : 9,820.37 = 4,132.00 : x
  2. Step 2: Convert to fraction form
    7,116.75/9,820.37 = 4,132.00/x
  3. Step 3: Cross multiply
    7,116.75x = 9,820.37 × 4,132.00
  4. Step 4: Simplify right side
    7,116.75x = 40,577,723.63
  5. Step 5: Solve for x
    x = 40,577,723.63/7,116.75
  6. Step 6: Final answer
    x = 5,701.72

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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.