Home / 10,977.92-15,150.96-6,263.12

Finding the Fourth Proportional to 10,977.92, 15,150.96 and 6,263.12

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Solution

The fourth proportional to 10,977.92, 15,150.96 and 6,263.12 is: 8,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.92 : 15,150.96 = 6,263.12 : x
  2. Step 2: Convert to fraction form
    10,977.92/15,150.96 = 6,263.12/x
  3. Step 3: Cross multiply
    10,977.92x = 15,150.96 × 6,263.12
  4. Step 4: Simplify right side
    10,977.92x = 94,892,280.60
  5. Step 5: Solve for x
    x = 94,892,280.60/10,977.92
  6. Step 6: Final answer
    x = 8,643.92

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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.