Home / 11,036.28-15,230.10-6,320.60

Finding the Fourth Proportional to 11,036.28, 15,230.10 and 6,320.60

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Solution

The fourth proportional to 11,036.28, 15,230.10 and 6,320.60 is: 8,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.28 : 15,230.10 = 6,320.60 : x
  2. Step 2: Convert to fraction form
    11,036.28/15,230.10 = 6,320.60/x
  3. Step 3: Cross multiply
    11,036.28x = 15,230.10 × 6,320.60
  4. Step 4: Simplify right side
    11,036.28x = 96,263,370.06
  5. Step 5: Solve for x
    x = 96,263,370.06/11,036.28
  6. Step 6: Final answer
    x = 8,722.45

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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.