Home / 10,334.52-15,501.78-7,270.20

Finding the Fourth Proportional to 10,334.52, 15,501.78 and 7,270.20

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Solution

The fourth proportional to 10,334.52, 15,501.78 and 7,270.20 is: 10,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.52 : 15,501.78 = 7,270.20 : x
  2. Step 2: Convert to fraction form
    10,334.52/15,501.78 = 7,270.20/x
  3. Step 3: Cross multiply
    10,334.52x = 15,501.78 × 7,270.20
  4. Step 4: Simplify right side
    10,334.52x = 112,701,040.96
  5. Step 5: Solve for x
    x = 112,701,040.96/10,334.52
  6. Step 6: Final answer
    x = 10,905.30

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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.