Home / 10,447.07-15,668.81-2,951.15

Finding the Fourth Proportional to 10,447.07, 15,668.81 and 2,951.15

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Solution

The fourth proportional to 10,447.07, 15,668.81 and 2,951.15 is: 4,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.07 : 15,668.81 = 2,951.15 : x
  2. Step 2: Convert to fraction form
    10,447.07/15,668.81 = 2,951.15/x
  3. Step 3: Cross multiply
    10,447.07x = 15,668.81 × 2,951.15
  4. Step 4: Simplify right side
    10,447.07x = 46,240,915.53
  5. Step 5: Solve for x
    x = 46,240,915.53/10,447.07
  6. Step 6: Final answer
    x = 4,426.21

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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.