Home / 9,111.17-13,666.51-2,537.81

Finding the Fourth Proportional to 9,111.17, 13,666.51 and 2,537.81

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Solution

The fourth proportional to 9,111.17, 13,666.51 and 2,537.81 is: 3,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.17 : 13,666.51 = 2,537.81 : x
  2. Step 2: Convert to fraction form
    9,111.17/13,666.51 = 2,537.81/x
  3. Step 3: Cross multiply
    9,111.17x = 13,666.51 × 2,537.81
  4. Step 4: Simplify right side
    9,111.17x = 34,683,005.74
  5. Step 5: Solve for x
    x = 34,683,005.74/9,111.17
  6. Step 6: Final answer
    x = 3,806.65

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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.