Home / 13,283.89-18,331.80-7,316.02

Finding the Fourth Proportional to 13,283.89, 18,331.80 and 7,316.02

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Solution

The fourth proportional to 13,283.89, 18,331.80 and 7,316.02 is: 10,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.89 : 18,331.80 = 7,316.02 : x
  2. Step 2: Convert to fraction form
    13,283.89/18,331.80 = 7,316.02/x
  3. Step 3: Cross multiply
    13,283.89x = 18,331.80 × 7,316.02
  4. Step 4: Simplify right side
    13,283.89x = 134,115,815.44
  5. Step 5: Solve for x
    x = 134,115,815.44/13,283.89
  6. Step 6: Final answer
    x = 10,096.13

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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.