Home / 11,756.30-16,226.50-7,985.74

Finding the Fourth Proportional to 11,756.30, 16,226.50 and 7,985.74

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Solution

The fourth proportional to 11,756.30, 16,226.50 and 7,985.74 is: 11,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.30 : 16,226.50 = 7,985.74 : x
  2. Step 2: Convert to fraction form
    11,756.30/16,226.50 = 7,985.74/x
  3. Step 3: Cross multiply
    11,756.30x = 16,226.50 × 7,985.74
  4. Step 4: Simplify right side
    11,756.30x = 129,580,610.11
  5. Step 5: Solve for x
    x = 129,580,610.11/11,756.30
  6. Step 6: Final answer
    x = 11,022.23

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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.