Home / 10,297.20-14,210.16-5,581.46

Finding the Fourth Proportional to 10,297.20, 14,210.16 and 5,581.46

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Solution

The fourth proportional to 10,297.20, 14,210.16 and 5,581.46 is: 7,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.20 : 14,210.16 = 5,581.46 : x
  2. Step 2: Convert to fraction form
    10,297.20/14,210.16 = 5,581.46/x
  3. Step 3: Cross multiply
    10,297.20x = 14,210.16 × 5,581.46
  4. Step 4: Simplify right side
    10,297.20x = 79,313,439.63
  5. Step 5: Solve for x
    x = 79,313,439.63/10,297.20
  6. Step 6: Final answer
    x = 7,702.43

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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.