Home / 6,511.14-9,767.28-1,831.18

Finding the Fourth Proportional to 6,511.14, 9,767.28 and 1,831.18

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Solution

The fourth proportional to 6,511.14, 9,767.28 and 1,831.18 is: 2,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.14 : 9,767.28 = 1,831.18 : x
  2. Step 2: Convert to fraction form
    6,511.14/9,767.28 = 1,831.18/x
  3. Step 3: Cross multiply
    6,511.14x = 9,767.28 × 1,831.18
  4. Step 4: Simplify right side
    6,511.14x = 17,885,647.79
  5. Step 5: Solve for x
    x = 17,885,647.79/6,511.14
  6. Step 6: Final answer
    x = 2,746.93

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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.