Home / 9,424.80-13,006.16-5,175.93

Finding the Fourth Proportional to 9,424.80, 13,006.16 and 5,175.93

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Solution

The fourth proportional to 9,424.80, 13,006.16 and 5,175.93 is: 7,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.80 : 13,006.16 = 5,175.93 : x
  2. Step 2: Convert to fraction form
    9,424.80/13,006.16 = 5,175.93/x
  3. Step 3: Cross multiply
    9,424.80x = 13,006.16 × 5,175.93
  4. Step 4: Simplify right side
    9,424.80x = 67,318,973.73
  5. Step 5: Solve for x
    x = 67,318,973.73/9,424.80
  6. Step 6: Final answer
    x = 7,142.75

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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.