Home / 7,518.06-11,280.62-3,357.68

Finding the Fourth Proportional to 7,518.06, 11,280.62 and 3,357.68

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Solution

The fourth proportional to 7,518.06, 11,280.62 and 3,357.68 is: 5,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.06 : 11,280.62 = 3,357.68 : x
  2. Step 2: Convert to fraction form
    7,518.06/11,280.62 = 3,357.68/x
  3. Step 3: Cross multiply
    7,518.06x = 11,280.62 × 3,357.68
  4. Step 4: Simplify right side
    7,518.06x = 37,876,712.16
  5. Step 5: Solve for x
    x = 37,876,712.16/7,518.06
  6. Step 6: Final answer
    x = 5,038.10

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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.