Home / 11,056.80-15,256.08-6,862.56

Finding the Fourth Proportional to 11,056.80, 15,256.08 and 6,862.56

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Solution

The fourth proportional to 11,056.80, 15,256.08 and 6,862.56 is: 9,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.80 : 15,256.08 = 6,862.56 : x
  2. Step 2: Convert to fraction form
    11,056.80/15,256.08 = 6,862.56/x
  3. Step 3: Cross multiply
    11,056.80x = 15,256.08 × 6,862.56
  4. Step 4: Simplify right side
    11,056.80x = 104,695,764.36
  5. Step 5: Solve for x
    x = 104,695,764.36/11,056.80
  6. Step 6: Final answer
    x = 9,468.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.