Home / 11,780.17-16,256.93-6,475.12

Finding the Fourth Proportional to 11,780.17, 16,256.93 and 6,475.12

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Solution

The fourth proportional to 11,780.17, 16,256.93 and 6,475.12 is: 8,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.17 : 16,256.93 = 6,475.12 : x
  2. Step 2: Convert to fraction form
    11,780.17/16,256.93 = 6,475.12/x
  3. Step 3: Cross multiply
    11,780.17x = 16,256.93 × 6,475.12
  4. Step 4: Simplify right side
    11,780.17x = 105,265,572.58
  5. Step 5: Solve for x
    x = 105,265,572.58/11,780.17
  6. Step 6: Final answer
    x = 8,935.83

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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.