Home / 8,741.66-13,111.94-3,547.40

Finding the Fourth Proportional to 8,741.66, 13,111.94 and 3,547.40

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Solution

The fourth proportional to 8,741.66, 13,111.94 and 3,547.40 is: 5,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.66 : 13,111.94 = 3,547.40 : x
  2. Step 2: Convert to fraction form
    8,741.66/13,111.94 = 3,547.40/x
  3. Step 3: Cross multiply
    8,741.66x = 13,111.94 × 3,547.40
  4. Step 4: Simplify right side
    8,741.66x = 46,513,239.26
  5. Step 5: Solve for x
    x = 46,513,239.26/8,741.66
  6. Step 6: Final answer
    x = 5,320.87

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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.