Home / 8,065.40-11,130.26-4,528.62

Finding the Fourth Proportional to 8,065.40, 11,130.26 and 4,528.62

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Solution

The fourth proportional to 8,065.40, 11,130.26 and 4,528.62 is: 6,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.40 : 11,130.26 = 4,528.62 : x
  2. Step 2: Convert to fraction form
    8,065.40/11,130.26 = 4,528.62/x
  3. Step 3: Cross multiply
    8,065.40x = 11,130.26 × 4,528.62
  4. Step 4: Simplify right side
    8,065.40x = 50,404,718.04
  5. Step 5: Solve for x
    x = 50,404,718.04/8,065.40
  6. Step 6: Final answer
    x = 6,249.50

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Half scale
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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.