Home / 6,528.04-9,791.12-2,086.21

Finding the Fourth Proportional to 6,528.04, 9,791.12 and 2,086.21

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Solution

The fourth proportional to 6,528.04, 9,791.12 and 2,086.21 is: 3,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.04 : 9,791.12 = 2,086.21 : x
  2. Step 2: Convert to fraction form
    6,528.04/9,791.12 = 2,086.21/x
  3. Step 3: Cross multiply
    6,528.04x = 9,791.12 × 2,086.21
  4. Step 4: Simplify right side
    6,528.04x = 20,426,313.19
  5. Step 5: Solve for x
    x = 20,426,313.19/6,528.04
  6. Step 6: Final answer
    x = 3,129.01

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Double scale
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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.