Home / 12,557.54-17,296.13-9,360.60

Finding the Fourth Proportional to 12,557.54, 17,296.13 and 9,360.60

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Solution

The fourth proportional to 12,557.54, 17,296.13 and 9,360.60 is: 12,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.54 : 17,296.13 = 9,360.60 : x
  2. Step 2: Convert to fraction form
    12,557.54/17,296.13 = 9,360.60/x
  3. Step 3: Cross multiply
    12,557.54x = 17,296.13 × 9,360.60
  4. Step 4: Simplify right side
    12,557.54x = 161,902,113.02
  5. Step 5: Solve for x
    x = 161,902,113.02/12,557.54
  6. Step 6: Final answer
    x = 12,892.82

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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.