Home / 8,316.49-12,474.70-3,384.96

Finding the Fourth Proportional to 8,316.49, 12,474.70 and 3,384.96

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Solution

The fourth proportional to 8,316.49, 12,474.70 and 3,384.96 is: 5,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.49 : 12,474.70 = 3,384.96 : x
  2. Step 2: Convert to fraction form
    8,316.49/12,474.70 = 3,384.96/x
  3. Step 3: Cross multiply
    8,316.49x = 12,474.70 × 3,384.96
  4. Step 4: Simplify right side
    8,316.49x = 42,226,360.51
  5. Step 5: Solve for x
    x = 42,226,360.51/8,316.49
  6. Step 6: Final answer
    x = 5,077.43

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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.