Home / 9,537.10-13,161.54-5,557.57

Finding the Fourth Proportional to 9,537.10, 13,161.54 and 5,557.57

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Solution

The fourth proportional to 9,537.10, 13,161.54 and 5,557.57 is: 7,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,537.10 : 13,161.54 = 5,557.57 : x
  2. Step 2: Convert to fraction form
    9,537.10/13,161.54 = 5,557.57/x
  3. Step 3: Cross multiply
    9,537.10x = 13,161.54 × 5,557.57
  4. Step 4: Simplify right side
    9,537.10x = 73,146,179.86
  5. Step 5: Solve for x
    x = 73,146,179.86/9,537.10
  6. Step 6: Final answer
    x = 7,669.65

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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.