Home / 8,547.18-11,791.56-5,677.25

Finding the Fourth Proportional to 8,547.18, 11,791.56 and 5,677.25

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Solution

The fourth proportional to 8,547.18, 11,791.56 and 5,677.25 is: 7,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.18 : 11,791.56 = 5,677.25 : x
  2. Step 2: Convert to fraction form
    8,547.18/11,791.56 = 5,677.25/x
  3. Step 3: Cross multiply
    8,547.18x = 11,791.56 × 5,677.25
  4. Step 4: Simplify right side
    8,547.18x = 66,943,605.62
  5. Step 5: Solve for x
    x = 66,943,605.62/8,547.18
  6. Step 6: Final answer
    x = 7,832.24

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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.