Home / 9,712.08-13,398.46-6,124.21

Finding the Fourth Proportional to 9,712.08, 13,398.46 and 6,124.21

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Solution

The fourth proportional to 9,712.08, 13,398.46 and 6,124.21 is: 8,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.08 : 13,398.46 = 6,124.21 : x
  2. Step 2: Convert to fraction form
    9,712.08/13,398.46 = 6,124.21/x
  3. Step 3: Cross multiply
    9,712.08x = 13,398.46 × 6,124.21
  4. Step 4: Simplify right side
    9,712.08x = 82,054,982.72
  5. Step 5: Solve for x
    x = 82,054,982.72/9,712.08
  6. Step 6: Final answer
    x = 8,448.75

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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.