Home / 7,124.13-10,688.18-2,966.10

Finding the Fourth Proportional to 7,124.13, 10,688.18 and 2,966.10

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Solution

The fourth proportional to 7,124.13, 10,688.18 and 2,966.10 is: 4,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.13 : 10,688.18 = 2,966.10 : x
  2. Step 2: Convert to fraction form
    7,124.13/10,688.18 = 2,966.10/x
  3. Step 3: Cross multiply
    7,124.13x = 10,688.18 × 2,966.10
  4. Step 4: Simplify right side
    7,124.13x = 31,702,195.87
  5. Step 5: Solve for x
    x = 31,702,195.87/7,124.13
  6. Step 6: Final answer
    x = 4,449.97

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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.