Home / 9,430.42-13,014.12-5,238.94

Finding the Fourth Proportional to 9,430.42, 13,014.12 and 5,238.94

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Solution

The fourth proportional to 9,430.42, 13,014.12 and 5,238.94 is: 7,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.42 : 13,014.12 = 5,238.94 : x
  2. Step 2: Convert to fraction form
    9,430.42/13,014.12 = 5,238.94/x
  3. Step 3: Cross multiply
    9,430.42x = 13,014.12 × 5,238.94
  4. Step 4: Simplify right side
    9,430.42x = 68,180,193.83
  5. Step 5: Solve for x
    x = 68,180,193.83/9,430.42
  6. Step 6: Final answer
    x = 7,229.82

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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.