Home / 9,943.99-14,915.19-5,781.34

Finding the Fourth Proportional to 9,943.99, 14,915.19 and 5,781.34

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Solution

The fourth proportional to 9,943.99, 14,915.19 and 5,781.34 is: 8,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.99 : 14,915.19 = 5,781.34 : x
  2. Step 2: Convert to fraction form
    9,943.99/14,915.19 = 5,781.34/x
  3. Step 3: Cross multiply
    9,943.99x = 14,915.19 × 5,781.34
  4. Step 4: Simplify right side
    9,943.99x = 86,229,784.55
  5. Step 5: Solve for x
    x = 86,229,784.55/9,943.99
  6. Step 6: Final answer
    x = 8,671.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.