Home / 7,309.29-10,962.36-2,312.05

Finding the Fourth Proportional to 7,309.29, 10,962.36 and 2,312.05

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Solution

The fourth proportional to 7,309.29, 10,962.36 and 2,312.05 is: 3,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.29 : 10,962.36 = 2,312.05 : x
  2. Step 2: Convert to fraction form
    7,309.29/10,962.36 = 2,312.05/x
  3. Step 3: Cross multiply
    7,309.29x = 10,962.36 × 2,312.05
  4. Step 4: Simplify right side
    7,309.29x = 25,345,529.47
  5. Step 5: Solve for x
    x = 25,345,529.47/7,309.29
  6. Step 6: Final answer
    x = 3,467.58

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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.