Home / 10,124.48-15,185.59-2,729.68

Finding the Fourth Proportional to 10,124.48, 15,185.59 and 2,729.68

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Solution

The fourth proportional to 10,124.48, 15,185.59 and 2,729.68 is: 4,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.48 : 15,185.59 = 2,729.68 : x
  2. Step 2: Convert to fraction form
    10,124.48/15,185.59 = 2,729.68/x
  3. Step 3: Cross multiply
    10,124.48x = 15,185.59 × 2,729.68
  4. Step 4: Simplify right side
    10,124.48x = 41,451,801.31
  5. Step 5: Solve for x
    x = 41,451,801.31/10,124.48
  6. Step 6: Final answer
    x = 4,094.22

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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.