Home / 11,756.66-16,224.15-6,451.57

Finding the Fourth Proportional to 11,756.66, 16,224.15 and 6,451.57

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Solution

The fourth proportional to 11,756.66, 16,224.15 and 6,451.57 is: 8,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.66 : 16,224.15 = 6,451.57 : x
  2. Step 2: Convert to fraction form
    11,756.66/16,224.15 = 6,451.57/x
  3. Step 3: Cross multiply
    11,756.66x = 16,224.15 × 6,451.57
  4. Step 4: Simplify right side
    11,756.66x = 104,671,126.04
  5. Step 5: Solve for x
    x = 104,671,126.04/11,756.66
  6. Step 6: Final answer
    x = 8,903.13

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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.