Home / 11,063.25-15,280.25-7,330.77

Finding the Fourth Proportional to 11,063.25, 15,280.25 and 7,330.77

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Solution

The fourth proportional to 11,063.25, 15,280.25 and 7,330.77 is: 10,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.25 : 15,280.25 = 7,330.77 : x
  2. Step 2: Convert to fraction form
    11,063.25/15,280.25 = 7,330.77/x
  3. Step 3: Cross multiply
    11,063.25x = 15,280.25 × 7,330.77
  4. Step 4: Simplify right side
    11,063.25x = 112,015,961.64
  5. Step 5: Solve for x
    x = 112,015,961.64/11,063.25
  6. Step 6: Final answer
    x = 10,125.05

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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.