Home / 10,282.10-15,420.84-4,730.11

Finding the Fourth Proportional to 10,282.10, 15,420.84 and 4,730.11

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Solution

The fourth proportional to 10,282.10, 15,420.84 and 4,730.11 is: 7,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.10 : 15,420.84 = 4,730.11 : x
  2. Step 2: Convert to fraction form
    10,282.10/15,420.84 = 4,730.11/x
  3. Step 3: Cross multiply
    10,282.10x = 15,420.84 × 4,730.11
  4. Step 4: Simplify right side
    10,282.10x = 72,942,192.39
  5. Step 5: Solve for x
    x = 72,942,192.39/10,282.10
  6. Step 6: Final answer
    x = 7,094.09

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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.