Home / 9,923.28-13,693.66-5,675.04

Finding the Fourth Proportional to 9,923.28, 13,693.66 and 5,675.04

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Solution

The fourth proportional to 9,923.28, 13,693.66 and 5,675.04 is: 7,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.28 : 13,693.66 = 5,675.04 : x
  2. Step 2: Convert to fraction form
    9,923.28/13,693.66 = 5,675.04/x
  3. Step 3: Cross multiply
    9,923.28x = 13,693.66 × 5,675.04
  4. Step 4: Simplify right side
    9,923.28x = 77,712,015.55
  5. Step 5: Solve for x
    x = 77,712,015.55/9,923.28
  6. Step 6: Final answer
    x = 7,831.28

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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.