Home / 9,718.16-13,415.64-6,579.44

Finding the Fourth Proportional to 9,718.16, 13,415.64 and 6,579.44

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Solution

The fourth proportional to 9,718.16, 13,415.64 and 6,579.44 is: 9,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.16 : 13,415.64 = 6,579.44 : x
  2. Step 2: Convert to fraction form
    9,718.16/13,415.64 = 6,579.44/x
  3. Step 3: Cross multiply
    9,718.16x = 13,415.64 × 6,579.44
  4. Step 4: Simplify right side
    9,718.16x = 88,267,398.44
  5. Step 5: Solve for x
    x = 88,267,398.44/9,718.16
  6. Step 6: Final answer
    x = 9,082.73

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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.