Home / 10,560.24-15,840.24-2,768.40

Finding the Fourth Proportional to 10,560.24, 15,840.24 and 2,768.40

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Solution

The fourth proportional to 10,560.24, 15,840.24 and 2,768.40 is: 4,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.24 : 15,840.24 = 2,768.40 : x
  2. Step 2: Convert to fraction form
    10,560.24/15,840.24 = 2,768.40/x
  3. Step 3: Cross multiply
    10,560.24x = 15,840.24 × 2,768.40
  4. Step 4: Simplify right side
    10,560.24x = 43,852,120.42
  5. Step 5: Solve for x
    x = 43,852,120.42/10,560.24
  6. Step 6: Final answer
    x = 4,152.57

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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.