Home / 9,831.31-13,567.12-6,848.80

Finding the Fourth Proportional to 9,831.31, 13,567.12 and 6,848.80

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Solution

The fourth proportional to 9,831.31, 13,567.12 and 6,848.80 is: 9,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.31 : 13,567.12 = 6,848.80 : x
  2. Step 2: Convert to fraction form
    9,831.31/13,567.12 = 6,848.80/x
  3. Step 3: Cross multiply
    9,831.31x = 13,567.12 × 6,848.80
  4. Step 4: Simplify right side
    9,831.31x = 92,918,491.46
  5. Step 5: Solve for x
    x = 92,918,491.46/9,831.31
  6. Step 6: Final answer
    x = 9,451.28

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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.