Home / 7,265.13-10,889.16-5,690.49

Finding the Fourth Proportional to 7,265.13, 10,889.16 and 5,690.49

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Solution

The fourth proportional to 7,265.13, 10,889.16 and 5,690.49 is: 8,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.13 : 10,889.16 = 5,690.49 : x
  2. Step 2: Convert to fraction form
    7,265.13/10,889.16 = 5,690.49/x
  3. Step 3: Cross multiply
    7,265.13x = 10,889.16 × 5,690.49
  4. Step 4: Simplify right side
    7,265.13x = 61,964,656.09
  5. Step 5: Solve for x
    x = 61,964,656.09/7,265.13
  6. Step 6: Final answer
    x = 8,529.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.