Home / 7,518.87-10,374.57-4,722.75

Finding the Fourth Proportional to 7,518.87, 10,374.57 and 4,722.75

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Solution

The fourth proportional to 7,518.87, 10,374.57 and 4,722.75 is: 6,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.87 : 10,374.57 = 4,722.75 : x
  2. Step 2: Convert to fraction form
    7,518.87/10,374.57 = 4,722.75/x
  3. Step 3: Cross multiply
    7,518.87x = 10,374.57 × 4,722.75
  4. Step 4: Simplify right side
    7,518.87x = 48,996,500.47
  5. Step 5: Solve for x
    x = 48,996,500.47/7,518.87
  6. Step 6: Final answer
    x = 6,516.47

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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.