Home / 10,282.41-15,421.31-4,730.43

Finding the Fourth Proportional to 10,282.41, 15,421.31 and 4,730.43

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Solution

The fourth proportional to 10,282.41, 15,421.31 and 4,730.43 is: 7,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.41 : 15,421.31 = 4,730.43 : x
  2. Step 2: Convert to fraction form
    10,282.41/15,421.31 = 4,730.43/x
  3. Step 3: Cross multiply
    10,282.41x = 15,421.31 × 4,730.43
  4. Step 4: Simplify right side
    10,282.41x = 72,949,427.46
  5. Step 5: Solve for x
    x = 72,949,427.46/10,282.41
  6. Step 6: Final answer
    x = 7,094.58

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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.