Home / 9,709.91-13,400.16-5,462.31

Finding the Fourth Proportional to 9,709.91, 13,400.16 and 5,462.31

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Solution

The fourth proportional to 9,709.91, 13,400.16 and 5,462.31 is: 7,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.91 : 13,400.16 = 5,462.31 : x
  2. Step 2: Convert to fraction form
    9,709.91/13,400.16 = 5,462.31/x
  3. Step 3: Cross multiply
    9,709.91x = 13,400.16 × 5,462.31
  4. Step 4: Simplify right side
    9,709.91x = 73,195,827.97
  5. Step 5: Solve for x
    x = 73,195,827.97/9,709.91
  6. Step 6: Final answer
    x = 7,538.26

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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.