Home / 6,528.28-9,009.12-3,544.12

Finding the Fourth Proportional to 6,528.28, 9,009.12 and 3,544.12

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Solution

The fourth proportional to 6,528.28, 9,009.12 and 3,544.12 is: 4,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.28 : 9,009.12 = 3,544.12 : x
  2. Step 2: Convert to fraction form
    6,528.28/9,009.12 = 3,544.12/x
  3. Step 3: Cross multiply
    6,528.28x = 9,009.12 × 3,544.12
  4. Step 4: Simplify right side
    6,528.28x = 31,929,402.37
  5. Step 5: Solve for x
    x = 31,929,402.37/6,528.28
  6. Step 6: Final answer
    x = 4,890.94

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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.