Home / 7,275.08-10,912.62-4,809.39

Finding the Fourth Proportional to 7,275.08, 10,912.62 and 4,809.39

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Solution

The fourth proportional to 7,275.08, 10,912.62 and 4,809.39 is: 7,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.08 : 10,912.62 = 4,809.39 : x
  2. Step 2: Convert to fraction form
    7,275.08/10,912.62 = 4,809.39/x
  3. Step 3: Cross multiply
    7,275.08x = 10,912.62 × 4,809.39
  4. Step 4: Simplify right side
    7,275.08x = 52,483,045.50
  5. Step 5: Solve for x
    x = 52,483,045.50/7,275.08
  6. Step 6: Final answer
    x = 7,214.09

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1.5x scale

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.