Home / 7,110.10-10,666.23-3,411.64

Finding the Fourth Proportional to 7,110.10, 10,666.23 and 3,411.64

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Solution

The fourth proportional to 7,110.10, 10,666.23 and 3,411.64 is: 5,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.10 : 10,666.23 = 3,411.64 : x
  2. Step 2: Convert to fraction form
    7,110.10/10,666.23 = 3,411.64/x
  3. Step 3: Cross multiply
    7,110.10x = 10,666.23 × 3,411.64
  4. Step 4: Simplify right side
    7,110.10x = 36,389,336.92
  5. Step 5: Solve for x
    x = 36,389,336.92/7,110.10
  6. Step 6: Final answer
    x = 5,117.98

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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.