Home / 11,241.95-15,515.75-10,743.71

Finding the Fourth Proportional to 11,241.95, 15,515.75 and 10,743.71

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Solution

The fourth proportional to 11,241.95, 15,515.75 and 10,743.71 is: 14,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.95 : 15,515.75 = 10,743.71 : x
  2. Step 2: Convert to fraction form
    11,241.95/15,515.75 = 10,743.71/x
  3. Step 3: Cross multiply
    11,241.95x = 15,515.75 × 10,743.71
  4. Step 4: Simplify right side
    11,241.95x = 166,696,667.71
  5. Step 5: Solve for x
    x = 166,696,667.71/11,241.95
  6. Step 6: Final answer
    x = 14,828.10

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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.