Home / 8,366.49-12,549.74-3,434.81

Finding the Fourth Proportional to 8,366.49, 12,549.74 and 3,434.81

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Solution

The fourth proportional to 8,366.49, 12,549.74 and 3,434.81 is: 5,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.49 : 12,549.74 = 3,434.81 : x
  2. Step 2: Convert to fraction form
    8,366.49/12,549.74 = 3,434.81/x
  3. Step 3: Cross multiply
    8,366.49x = 12,549.74 × 3,434.81
  4. Step 4: Simplify right side
    8,366.49x = 43,105,892.53
  5. Step 5: Solve for x
    x = 43,105,892.53/8,366.49
  6. Step 6: Final answer
    x = 5,152.21

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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.