Home / 11,895.26-16,423.16-7,648.22

Finding the Fourth Proportional to 11,895.26, 16,423.16 and 7,648.22

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Solution

The fourth proportional to 11,895.26, 16,423.16 and 7,648.22 is: 10,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.26 : 16,423.16 = 7,648.22 : x
  2. Step 2: Convert to fraction form
    11,895.26/16,423.16 = 7,648.22/x
  3. Step 3: Cross multiply
    11,895.26x = 16,423.16 × 7,648.22
  4. Step 4: Simplify right side
    11,895.26x = 125,607,943.59
  5. Step 5: Solve for x
    x = 125,607,943.59/11,895.26
  6. Step 6: Final answer
    x = 10,559.50

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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.