Home / 10,240.32-15,333.66-7,110.84

Finding the Fourth Proportional to 10,240.32, 15,333.66 and 7,110.84

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Solution

The fourth proportional to 10,240.32, 15,333.66 and 7,110.84 is: 10,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.32 : 15,333.66 = 7,110.84 : x
  2. Step 2: Convert to fraction form
    10,240.32/15,333.66 = 7,110.84/x
  3. Step 3: Cross multiply
    10,240.32x = 15,333.66 × 7,110.84
  4. Step 4: Simplify right side
    10,240.32x = 109,035,202.87
  5. Step 5: Solve for x
    x = 109,035,202.87/10,240.32
  6. Step 6: Final answer
    x = 10,647.64

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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.