Home / 10,629.52-15,932.58-4,386.12

Finding the Fourth Proportional to 10,629.52, 15,932.58 and 4,386.12

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Solution

The fourth proportional to 10,629.52, 15,932.58 and 4,386.12 is: 6,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.52 : 15,932.58 = 4,386.12 : x
  2. Step 2: Convert to fraction form
    10,629.52/15,932.58 = 4,386.12/x
  3. Step 3: Cross multiply
    10,629.52x = 15,932.58 × 4,386.12
  4. Step 4: Simplify right side
    10,629.52x = 69,882,207.79
  5. Step 5: Solve for x
    x = 69,882,207.79/10,629.52
  6. Step 6: Final answer
    x = 6,574.35

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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.