Home / 12,523.80-18,783.48-4,732.68

Finding the Fourth Proportional to 12,523.80, 18,783.48 and 4,732.68

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Solution

The fourth proportional to 12,523.80, 18,783.48 and 4,732.68 is: 7,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.80 : 18,783.48 = 4,732.68 : x
  2. Step 2: Convert to fraction form
    12,523.80/18,783.48 = 4,732.68/x
  3. Step 3: Cross multiply
    12,523.80x = 18,783.48 × 4,732.68
  4. Step 4: Simplify right side
    12,523.80x = 88,896,200.13
  5. Step 5: Solve for x
    x = 88,896,200.13/12,523.80
  6. Step 6: Final answer
    x = 7,098.18

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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.