Home / 12,370.32-18,555.48-5,803.92

Finding the Fourth Proportional to 12,370.32, 18,555.48 and 5,803.92

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Solution

The fourth proportional to 12,370.32, 18,555.48 and 5,803.92 is: 8,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.32 : 18,555.48 = 5,803.92 : x
  2. Step 2: Convert to fraction form
    12,370.32/18,555.48 = 5,803.92/x
  3. Step 3: Cross multiply
    12,370.32x = 18,555.48 × 5,803.92
  4. Step 4: Simplify right side
    12,370.32x = 107,694,521.48
  5. Step 5: Solve for x
    x = 107,694,521.48/12,370.32
  6. Step 6: Final answer
    x = 8,705.88

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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.