Home / 7,006.20-9,666.72-4,173.36

Finding the Fourth Proportional to 7,006.20, 9,666.72 and 4,173.36

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Solution

The fourth proportional to 7,006.20, 9,666.72 and 4,173.36 is: 5,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.20 : 9,666.72 = 4,173.36 : x
  2. Step 2: Convert to fraction form
    7,006.20/9,666.72 = 4,173.36/x
  3. Step 3: Cross multiply
    7,006.20x = 9,666.72 × 4,173.36
  4. Step 4: Simplify right side
    7,006.20x = 40,342,702.58
  5. Step 5: Solve for x
    x = 40,342,702.58/7,006.20
  6. Step 6: Final answer
    x = 5,758.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.