Home / 11,854.20-16,358.70-6,549.36

Finding the Fourth Proportional to 11,854.20, 16,358.70 and 6,549.36

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Solution

The fourth proportional to 11,854.20, 16,358.70 and 6,549.36 is: 9,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.20 : 16,358.70 = 6,549.36 : x
  2. Step 2: Convert to fraction form
    11,854.20/16,358.70 = 6,549.36/x
  3. Step 3: Cross multiply
    11,854.20x = 16,358.70 × 6,549.36
  4. Step 4: Simplify right side
    11,854.20x = 107,139,015.43
  5. Step 5: Solve for x
    x = 107,139,015.43/11,854.20
  6. Step 6: Final answer
    x = 9,038.06

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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.