Home / 9,831.89-13,568.14-5,582.63

Finding the Fourth Proportional to 9,831.89, 13,568.14 and 5,582.63

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Solution

The fourth proportional to 9,831.89, 13,568.14 and 5,582.63 is: 7,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.89 : 13,568.14 = 5,582.63 : x
  2. Step 2: Convert to fraction form
    9,831.89/13,568.14 = 5,582.63/x
  3. Step 3: Cross multiply
    9,831.89x = 13,568.14 × 5,582.63
  4. Step 4: Simplify right side
    9,831.89x = 75,745,946.31
  5. Step 5: Solve for x
    x = 75,745,946.31/9,831.89
  6. Step 6: Final answer
    x = 7,704.11

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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.