Home / 8,937.74-13,388.70-4,262.28

Finding the Fourth Proportional to 8,937.74, 13,388.70 and 4,262.28

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Solution

The fourth proportional to 8,937.74, 13,388.70 and 4,262.28 is: 6,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.74 : 13,388.70 = 4,262.28 : x
  2. Step 2: Convert to fraction form
    8,937.74/13,388.70 = 4,262.28/x
  3. Step 3: Cross multiply
    8,937.74x = 13,388.70 × 4,262.28
  4. Step 4: Simplify right side
    8,937.74x = 57,066,388.24
  5. Step 5: Solve for x
    x = 57,066,388.24/8,937.74
  6. Step 6: Final answer
    x = 6,384.88

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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.