Home / 10,240.55-15,352.73-5,623.55

Finding the Fourth Proportional to 10,240.55, 15,352.73 and 5,623.55

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Solution

The fourth proportional to 10,240.55, 15,352.73 and 5,623.55 is: 8,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.55 : 15,352.73 = 5,623.55 : x
  2. Step 2: Convert to fraction form
    10,240.55/15,352.73 = 5,623.55/x
  3. Step 3: Cross multiply
    10,240.55x = 15,352.73 × 5,623.55
  4. Step 4: Simplify right side
    10,240.55x = 86,336,816.67
  5. Step 5: Solve for x
    x = 86,336,816.67/10,240.55
  6. Step 6: Final answer
    x = 8,430.88

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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.