Home / 11,114.44-15,326.22-6,915.40

Finding the Fourth Proportional to 11,114.44, 15,326.22 and 6,915.40

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Solution

The fourth proportional to 11,114.44, 15,326.22 and 6,915.40 is: 9,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.44 : 15,326.22 = 6,915.40 : x
  2. Step 2: Convert to fraction form
    11,114.44/15,326.22 = 6,915.40/x
  3. Step 3: Cross multiply
    11,114.44x = 15,326.22 × 6,915.40
  4. Step 4: Simplify right side
    11,114.44x = 105,986,941.79
  5. Step 5: Solve for x
    x = 105,986,941.79/11,114.44
  6. Step 6: Final answer
    x = 9,535.97

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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.