Home / 9,368.24-12,928.32-5,176.52

Finding the Fourth Proportional to 9,368.24, 12,928.32 and 5,176.52

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Solution

The fourth proportional to 9,368.24, 12,928.32 and 5,176.52 is: 7,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.24 : 12,928.32 = 5,176.52 : x
  2. Step 2: Convert to fraction form
    9,368.24/12,928.32 = 5,176.52/x
  3. Step 3: Cross multiply
    9,368.24x = 12,928.32 × 5,176.52
  4. Step 4: Simplify right side
    9,368.24x = 66,923,707.05
  5. Step 5: Solve for x
    x = 66,923,707.05/9,368.24
  6. Step 6: Final answer
    x = 7,143.68

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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.