Home / 9,895.18-13,655.22-5,646.13

Finding the Fourth Proportional to 9,895.18, 13,655.22 and 5,646.13

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Solution

The fourth proportional to 9,895.18, 13,655.22 and 5,646.13 is: 7,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.18 : 13,655.22 = 5,646.13 : x
  2. Step 2: Convert to fraction form
    9,895.18/13,655.22 = 5,646.13/x
  3. Step 3: Cross multiply
    9,895.18x = 13,655.22 × 5,646.13
  4. Step 4: Simplify right side
    9,895.18x = 77,099,147.30
  5. Step 5: Solve for x
    x = 77,099,147.30/9,895.18
  6. Step 6: Final answer
    x = 7,791.59

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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.