Home / 7,528.08-10,365.56-6,687.32

Finding the Fourth Proportional to 7,528.08, 10,365.56 and 6,687.32

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Solution

The fourth proportional to 7,528.08, 10,365.56 and 6,687.32 is: 9,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.08 : 10,365.56 = 6,687.32 : x
  2. Step 2: Convert to fraction form
    7,528.08/10,365.56 = 6,687.32/x
  3. Step 3: Cross multiply
    7,528.08x = 10,365.56 × 6,687.32
  4. Step 4: Simplify right side
    7,528.08x = 69,317,816.70
  5. Step 5: Solve for x
    x = 69,317,816.70/7,528.08
  6. Step 6: Final answer
    x = 9,207.90

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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.