Home / 10,357.71-15,528.13-4,814.55

Finding the Fourth Proportional to 10,357.71, 15,528.13 and 4,814.55

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Solution

The fourth proportional to 10,357.71, 15,528.13 and 4,814.55 is: 7,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.71 : 15,528.13 = 4,814.55 : x
  2. Step 2: Convert to fraction form
    10,357.71/15,528.13 = 4,814.55/x
  3. Step 3: Cross multiply
    10,357.71x = 15,528.13 × 4,814.55
  4. Step 4: Simplify right side
    10,357.71x = 74,760,906.08
  5. Step 5: Solve for x
    x = 74,760,906.08/10,357.71
  6. Step 6: Final answer
    x = 7,217.90

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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.