Home / 11,473.29-15,831.86-6,436.46

Finding the Fourth Proportional to 11,473.29, 15,831.86 and 6,436.46

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Solution

The fourth proportional to 11,473.29, 15,831.86 and 6,436.46 is: 8,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.29 : 15,831.86 = 6,436.46 : x
  2. Step 2: Convert to fraction form
    11,473.29/15,831.86 = 6,436.46/x
  3. Step 3: Cross multiply
    11,473.29x = 15,831.86 × 6,436.46
  4. Step 4: Simplify right side
    11,473.29x = 101,901,141.01
  5. Step 5: Solve for x
    x = 101,901,141.01/11,473.29
  6. Step 6: Final answer
    x = 8,881.60

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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.