Home / 10,047.54-15,072.81-9,432.48

Finding the Fourth Proportional to 10,047.54, 15,072.81 and 9,432.48

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Solution

The fourth proportional to 10,047.54, 15,072.81 and 9,432.48 is: 14,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.54 : 15,072.81 = 9,432.48 : x
  2. Step 2: Convert to fraction form
    10,047.54/15,072.81 = 9,432.48/x
  3. Step 3: Cross multiply
    10,047.54x = 15,072.81 × 9,432.48
  4. Step 4: Simplify right side
    10,047.54x = 142,173,978.87
  5. Step 5: Solve for x
    x = 142,173,978.87/10,047.54
  6. Step 6: Final answer
    x = 14,150.13

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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.