Home / 12,548.19-18,824.69-5,977.47

Finding the Fourth Proportional to 12,548.19, 18,824.69 and 5,977.47

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Solution

The fourth proportional to 12,548.19, 18,824.69 and 5,977.47 is: 8,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.19 : 18,824.69 = 5,977.47 : x
  2. Step 2: Convert to fraction form
    12,548.19/18,824.69 = 5,977.47/x
  3. Step 3: Cross multiply
    12,548.19x = 18,824.69 × 5,977.47
  4. Step 4: Simplify right side
    12,548.19x = 112,523,989.85
  5. Step 5: Solve for x
    x = 112,523,989.85/12,548.19
  6. Step 6: Final answer
    x = 8,967.35

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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.