Home / 11,818.04-16,309.15-6,513.14

Finding the Fourth Proportional to 11,818.04, 16,309.15 and 6,513.14

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Solution

The fourth proportional to 11,818.04, 16,309.15 and 6,513.14 is: 8,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.04 : 16,309.15 = 6,513.14 : x
  2. Step 2: Convert to fraction form
    11,818.04/16,309.15 = 6,513.14/x
  3. Step 3: Cross multiply
    11,818.04x = 16,309.15 × 6,513.14
  4. Step 4: Simplify right side
    11,818.04x = 106,223,801.72
  5. Step 5: Solve for x
    x = 106,223,801.72/11,818.04
  6. Step 6: Final answer
    x = 8,988.28

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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.