Home / 9,430.02-13,012.92-5,238

Finding the Fourth Proportional to 9,430.02, 13,012.92 and 5,238

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Solution

The fourth proportional to 9,430.02, 13,012.92 and 5,238 is: 7,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.02 : 13,012.92 = 5,238 : x
  2. Step 2: Convert to fraction form
    9,430.02/13,012.92 = 5,238/x
  3. Step 3: Cross multiply
    9,430.02x = 13,012.92 × 5,238
  4. Step 4: Simplify right side
    9,430.02x = 68,161,674.96
  5. Step 5: Solve for x
    x = 68,161,674.96/9,430.02
  6. Step 6: Final answer
    x = 7,228.16

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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.