Home / 8,250.74-11,392.55-7,621.01

Finding the Fourth Proportional to 8,250.74, 11,392.55 and 7,621.01

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Solution

The fourth proportional to 8,250.74, 11,392.55 and 7,621.01 is: 10,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.74 : 11,392.55 = 7,621.01 : x
  2. Step 2: Convert to fraction form
    8,250.74/11,392.55 = 7,621.01/x
  3. Step 3: Cross multiply
    8,250.74x = 11,392.55 × 7,621.01
  4. Step 4: Simplify right side
    8,250.74x = 86,822,737.48
  5. Step 5: Solve for x
    x = 86,822,737.48/8,250.74
  6. Step 6: Final answer
    x = 10,523.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.