Home / 6,528.17-9,792.26-1,911.17

Finding the Fourth Proportional to 6,528.17, 9,792.26 and 1,911.17

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Solution

The fourth proportional to 6,528.17, 9,792.26 and 1,911.17 is: 2,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.17 : 9,792.26 = 1,911.17 : x
  2. Step 2: Convert to fraction form
    6,528.17/9,792.26 = 1,911.17/x
  3. Step 3: Cross multiply
    6,528.17x = 9,792.26 × 1,911.17
  4. Step 4: Simplify right side
    6,528.17x = 18,714,663.99
  5. Step 5: Solve for x
    x = 18,714,663.99/6,528.17
  6. Step 6: Final answer
    x = 2,866.76

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Double scale
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Similar ratio
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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.