Home / 11,030.92-15,216.96-6,831.88

Finding the Fourth Proportional to 11,030.92, 15,216.96 and 6,831.88

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Solution

The fourth proportional to 11,030.92, 15,216.96 and 6,831.88 is: 9,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.92 : 15,216.96 = 6,831.88 : x
  2. Step 2: Convert to fraction form
    11,030.92/15,216.96 = 6,831.88/x
  3. Step 3: Cross multiply
    11,030.92x = 15,216.96 × 6,831.88
  4. Step 4: Simplify right side
    11,030.92x = 103,960,432.26
  5. Step 5: Solve for x
    x = 103,960,432.26/11,030.92
  6. Step 6: Final answer
    x = 9,424.46

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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.