Home / 11,938.26-16,470.60-7,460.40

Finding the Fourth Proportional to 11,938.26, 16,470.60 and 7,460.40

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Solution

The fourth proportional to 11,938.26, 16,470.60 and 7,460.40 is: 10,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.26 : 16,470.60 = 7,460.40 : x
  2. Step 2: Convert to fraction form
    11,938.26/16,470.60 = 7,460.40/x
  3. Step 3: Cross multiply
    11,938.26x = 16,470.60 × 7,460.40
  4. Step 4: Simplify right side
    11,938.26x = 122,877,264.24
  5. Step 5: Solve for x
    x = 122,877,264.24/11,938.26
  6. Step 6: Final answer
    x = 10,292.73

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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.