Home / 13,335.33-18,402.42-8,792.46

Finding the Fourth Proportional to 13,335.33, 18,402.42 and 8,792.46

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Solution

The fourth proportional to 13,335.33, 18,402.42 and 8,792.46 is: 12,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.33 : 18,402.42 = 8,792.46 : x
  2. Step 2: Convert to fraction form
    13,335.33/18,402.42 = 8,792.46/x
  3. Step 3: Cross multiply
    13,335.33x = 18,402.42 × 8,792.46
  4. Step 4: Simplify right side
    13,335.33x = 161,802,541.75
  5. Step 5: Solve for x
    x = 161,802,541.75/13,335.33
  6. Step 6: Final answer
    x = 12,133.37

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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.