Home / 13,282.73-18,331.12-7,462.32

Finding the Fourth Proportional to 13,282.73, 18,331.12 and 7,462.32

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Solution

The fourth proportional to 13,282.73, 18,331.12 and 7,462.32 is: 10,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.73 : 18,331.12 = 7,462.32 : x
  2. Step 2: Convert to fraction form
    13,282.73/18,331.12 = 7,462.32/x
  3. Step 3: Cross multiply
    13,282.73x = 18,331.12 × 7,462.32
  4. Step 4: Simplify right side
    13,282.73x = 136,792,683.40
  5. Step 5: Solve for x
    x = 136,792,683.40/13,282.73
  6. Step 6: Final answer
    x = 10,298.54

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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.