Home / 10,831.36-16,255.18-7,313.04

Finding the Fourth Proportional to 10,831.36, 16,255.18 and 7,313.04

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Solution

The fourth proportional to 10,831.36, 16,255.18 and 7,313.04 is: 10,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.36 : 16,255.18 = 7,313.04 : x
  2. Step 2: Convert to fraction form
    10,831.36/16,255.18 = 7,313.04/x
  3. Step 3: Cross multiply
    10,831.36x = 16,255.18 × 7,313.04
  4. Step 4: Simplify right side
    10,831.36x = 118,874,781.55
  5. Step 5: Solve for x
    x = 118,874,781.55/10,831.36
  6. Step 6: Final answer
    x = 10,975.06

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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.