Home / 12,557.02-17,325.78-7,519.33

Finding the Fourth Proportional to 12,557.02, 17,325.78 and 7,519.33

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Solution

The fourth proportional to 12,557.02, 17,325.78 and 7,519.33 is: 10,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.02 : 17,325.78 = 7,519.33 : x
  2. Step 2: Convert to fraction form
    12,557.02/17,325.78 = 7,519.33/x
  3. Step 3: Cross multiply
    12,557.02x = 17,325.78 × 7,519.33
  4. Step 4: Simplify right side
    12,557.02x = 130,278,257.33
  5. Step 5: Solve for x
    x = 130,278,257.33/12,557.02
  6. Step 6: Final answer
    x = 10,374.93

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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.