Home / 10,437.54-15,661.38-5,173.02

Finding the Fourth Proportional to 10,437.54, 15,661.38 and 5,173.02

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Solution

The fourth proportional to 10,437.54, 15,661.38 and 5,173.02 is: 7,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.54 : 15,661.38 = 5,173.02 : x
  2. Step 2: Convert to fraction form
    10,437.54/15,661.38 = 5,173.02/x
  3. Step 3: Cross multiply
    10,437.54x = 15,661.38 × 5,173.02
  4. Step 4: Simplify right side
    10,437.54x = 81,016,631.97
  5. Step 5: Solve for x
    x = 81,016,631.97/10,437.54
  6. Step 6: Final answer
    x = 7,762.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.