Home / 10,270.23-15,404.94-7,141.02

Finding the Fourth Proportional to 10,270.23, 15,404.94 and 7,141.02

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Solution

The fourth proportional to 10,270.23, 15,404.94 and 7,141.02 is: 10,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.23 : 15,404.94 = 7,141.02 : x
  2. Step 2: Convert to fraction form
    10,270.23/15,404.94 = 7,141.02/x
  3. Step 3: Cross multiply
    10,270.23x = 15,404.94 × 7,141.02
  4. Step 4: Simplify right side
    10,270.23x = 110,006,984.64
  5. Step 5: Solve for x
    x = 110,006,984.64/10,270.23
  6. Step 6: Final answer
    x = 10,711.25

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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.