Home / 9,831.38-13,563.45-6,475.95

Finding the Fourth Proportional to 9,831.38, 13,563.45 and 6,475.95

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Solution

The fourth proportional to 9,831.38, 13,563.45 and 6,475.95 is: 8,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.38 : 13,563.45 = 6,475.95 : x
  2. Step 2: Convert to fraction form
    9,831.38/13,563.45 = 6,475.95/x
  3. Step 3: Cross multiply
    9,831.38x = 13,563.45 × 6,475.95
  4. Step 4: Simplify right side
    9,831.38x = 87,836,224.03
  5. Step 5: Solve for x
    x = 87,836,224.03/9,831.38
  6. Step 6: Final answer
    x = 8,934.28

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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.