Home / 7,211.60-9,952.52-4,068.08

Finding the Fourth Proportional to 7,211.60, 9,952.52 and 4,068.08

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Solution

The fourth proportional to 7,211.60, 9,952.52 and 4,068.08 is: 5,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.60 : 9,952.52 = 4,068.08 : x
  2. Step 2: Convert to fraction form
    7,211.60/9,952.52 = 4,068.08/x
  3. Step 3: Cross multiply
    7,211.60x = 9,952.52 × 4,068.08
  4. Step 4: Simplify right side
    7,211.60x = 40,487,647.56
  5. Step 5: Solve for x
    x = 40,487,647.56/7,211.60
  6. Step 6: Final answer
    x = 5,614.24

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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.