Home / 11,810.88-16,298.40-6,504.72

Finding the Fourth Proportional to 11,810.88, 16,298.40 and 6,504.72

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Solution

The fourth proportional to 11,810.88, 16,298.40 and 6,504.72 is: 8,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.88 : 16,298.40 = 6,504.72 : x
  2. Step 2: Convert to fraction form
    11,810.88/16,298.40 = 6,504.72/x
  3. Step 3: Cross multiply
    11,810.88x = 16,298.40 × 6,504.72
  4. Step 4: Simplify right side
    11,810.88x = 106,016,528.45
  5. Step 5: Solve for x
    x = 106,016,528.45/11,810.88
  6. Step 6: Final answer
    x = 8,976.18

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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.