Home / 10,480.28-15,727.60-6,784.24

Finding the Fourth Proportional to 10,480.28, 15,727.60 and 6,784.24

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Solution

The fourth proportional to 10,480.28, 15,727.60 and 6,784.24 is: 10,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.28 : 15,727.60 = 6,784.24 : x
  2. Step 2: Convert to fraction form
    10,480.28/15,727.60 = 6,784.24/x
  3. Step 3: Cross multiply
    10,480.28x = 15,727.60 × 6,784.24
  4. Step 4: Simplify right side
    10,480.28x = 106,699,813.02
  5. Step 5: Solve for x
    x = 106,699,813.02/10,480.28
  6. Step 6: Final answer
    x = 10,181.01

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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.