Home / 11,713.22-16,158.66-7,235.36

Finding the Fourth Proportional to 11,713.22, 16,158.66 and 7,235.36

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Solution

The fourth proportional to 11,713.22, 16,158.66 and 7,235.36 is: 9,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.22 : 16,158.66 = 7,235.36 : x
  2. Step 2: Convert to fraction form
    11,713.22/16,158.66 = 7,235.36/x
  3. Step 3: Cross multiply
    11,713.22x = 16,158.66 × 7,235.36
  4. Step 4: Simplify right side
    11,713.22x = 116,913,722.22
  5. Step 5: Solve for x
    x = 116,913,722.22/11,713.22
  6. Step 6: Final answer
    x = 9,981.35

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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.