Home / 7,244.13-10,870.14-4,780.11

Finding the Fourth Proportional to 7,244.13, 10,870.14 and 4,780.11

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Solution

The fourth proportional to 7,244.13, 10,870.14 and 4,780.11 is: 7,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.13 : 10,870.14 = 4,780.11 : x
  2. Step 2: Convert to fraction form
    7,244.13/10,870.14 = 4,780.11/x
  3. Step 3: Cross multiply
    7,244.13x = 10,870.14 × 4,780.11
  4. Step 4: Simplify right side
    7,244.13x = 51,960,464.92
  5. Step 5: Solve for x
    x = 51,960,464.92/7,244.13
  6. Step 6: Final answer
    x = 7,172.77

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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.