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Finding the Fourth Proportional to 9,210.15, 13,831.02 and 8,794.62

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Solution

The fourth proportional to 9,210.15, 13,831.02 and 8,794.62 is: 13,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.15 : 13,831.02 = 8,794.62 : x
  2. Step 2: Convert to fraction form
    9,210.15/13,831.02 = 8,794.62/x
  3. Step 3: Cross multiply
    9,210.15x = 13,831.02 × 8,794.62
  4. Step 4: Simplify right side
    9,210.15x = 121,638,565.11
  5. Step 5: Solve for x
    x = 121,638,565.11/9,210.15
  6. Step 6: Final answer
    x = 13,207.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.