Home / 11,941.56-16,478.10-6,635.52

Finding the Fourth Proportional to 11,941.56, 16,478.10 and 6,635.52

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Solution

The fourth proportional to 11,941.56, 16,478.10 and 6,635.52 is: 9,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.56 : 16,478.10 = 6,635.52 : x
  2. Step 2: Convert to fraction form
    11,941.56/16,478.10 = 6,635.52/x
  3. Step 3: Cross multiply
    11,941.56x = 16,478.10 × 6,635.52
  4. Step 4: Simplify right side
    11,941.56x = 109,340,762.11
  5. Step 5: Solve for x
    x = 109,340,762.11/11,941.56
  6. Step 6: Final answer
    x = 9,156.32

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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.