Home / 10,615.16-15,921.52-2,824.60

Finding the Fourth Proportional to 10,615.16, 15,921.52 and 2,824.60

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Solution

The fourth proportional to 10,615.16, 15,921.52 and 2,824.60 is: 4,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.16 : 15,921.52 = 2,824.60 : x
  2. Step 2: Convert to fraction form
    10,615.16/15,921.52 = 2,824.60/x
  3. Step 3: Cross multiply
    10,615.16x = 15,921.52 × 2,824.60
  4. Step 4: Simplify right side
    10,615.16x = 44,971,925.39
  5. Step 5: Solve for x
    x = 44,971,925.39/10,615.16
  6. Step 6: Final answer
    x = 4,236.58

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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.