Home / 10,309.23-15,464.84-2,913.93

Finding the Fourth Proportional to 10,309.23, 15,464.84 and 2,913.93

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Solution

The fourth proportional to 10,309.23, 15,464.84 and 2,913.93 is: 4,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.23 : 15,464.84 = 2,913.93 : x
  2. Step 2: Convert to fraction form
    10,309.23/15,464.84 = 2,913.93/x
  3. Step 3: Cross multiply
    10,309.23x = 15,464.84 × 2,913.93
  4. Step 4: Simplify right side
    10,309.23x = 45,063,446.65
  5. Step 5: Solve for x
    x = 45,063,446.65/10,309.23
  6. Step 6: Final answer
    x = 4,371.17

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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.