Home / 11,913.51-16,440.33-6,877.56

Finding the Fourth Proportional to 11,913.51, 16,440.33 and 6,877.56

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Solution

The fourth proportional to 11,913.51, 16,440.33 and 6,877.56 is: 9,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.51 : 16,440.33 = 6,877.56 : x
  2. Step 2: Convert to fraction form
    11,913.51/16,440.33 = 6,877.56/x
  3. Step 3: Cross multiply
    11,913.51x = 16,440.33 × 6,877.56
  4. Step 4: Simplify right side
    11,913.51x = 113,069,397.10
  5. Step 5: Solve for x
    x = 113,069,397.10/11,913.51
  6. Step 6: Final answer
    x = 9,490.85

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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.