Home / 9,577.17-13,218.12-5,543.41

Finding the Fourth Proportional to 9,577.17, 13,218.12 and 5,543.41

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Solution

The fourth proportional to 9,577.17, 13,218.12 and 5,543.41 is: 7,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.17 : 13,218.12 = 5,543.41 : x
  2. Step 2: Convert to fraction form
    9,577.17/13,218.12 = 5,543.41/x
  3. Step 3: Cross multiply
    9,577.17x = 13,218.12 × 5,543.41
  4. Step 4: Simplify right side
    9,577.17x = 73,273,430.87
  5. Step 5: Solve for x
    x = 73,273,430.87/9,577.17
  6. Step 6: Final answer
    x = 7,650.84

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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.