Home / 8,741.57-13,117.82-3,547.44

Finding the Fourth Proportional to 8,741.57, 13,117.82 and 3,547.44

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Solution

The fourth proportional to 8,741.57, 13,117.82 and 3,547.44 is: 5,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.57 : 13,117.82 = 3,547.44 : x
  2. Step 2: Convert to fraction form
    8,741.57/13,117.82 = 3,547.44/x
  3. Step 3: Cross multiply
    8,741.57x = 13,117.82 × 3,547.44
  4. Step 4: Simplify right side
    8,741.57x = 46,534,712.18
  5. Step 5: Solve for x
    x = 46,534,712.18/8,741.57
  6. Step 6: Final answer
    x = 5,323.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.