Home / 9,864.54-13,615.83-5,674.14

Finding the Fourth Proportional to 9,864.54, 13,615.83 and 5,674.14

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Solution

The fourth proportional to 9,864.54, 13,615.83 and 5,674.14 is: 7,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.54 : 13,615.83 = 5,674.14 : x
  2. Step 2: Convert to fraction form
    9,864.54/13,615.83 = 5,674.14/x
  3. Step 3: Cross multiply
    9,864.54x = 13,615.83 × 5,674.14
  4. Step 4: Simplify right side
    9,864.54x = 77,258,125.64
  5. Step 5: Solve for x
    x = 77,258,125.64/9,864.54
  6. Step 6: Final answer
    x = 7,831.90

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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.