Home / 9,821.19-13,547.97-6,831.83

Finding the Fourth Proportional to 9,821.19, 13,547.97 and 6,831.83

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Solution

The fourth proportional to 9,821.19, 13,547.97 and 6,831.83 is: 9,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.19 : 13,547.97 = 6,831.83 : x
  2. Step 2: Convert to fraction form
    9,821.19/13,547.97 = 6,831.83/x
  3. Step 3: Cross multiply
    9,821.19x = 13,547.97 × 6,831.83
  4. Step 4: Simplify right side
    9,821.19x = 92,557,427.89
  5. Step 5: Solve for x
    x = 92,557,427.89/9,821.19
  6. Step 6: Final answer
    x = 9,424.26

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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.