Home / 7,315.78-10,967.19-5,464.66

Finding the Fourth Proportional to 7,315.78, 10,967.19 and 5,464.66

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Solution

The fourth proportional to 7,315.78, 10,967.19 and 5,464.66 is: 8,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.78 : 10,967.19 = 5,464.66 : x
  2. Step 2: Convert to fraction form
    7,315.78/10,967.19 = 5,464.66/x
  3. Step 3: Cross multiply
    7,315.78x = 10,967.19 × 5,464.66
  4. Step 4: Simplify right side
    7,315.78x = 59,931,964.51
  5. Step 5: Solve for x
    x = 59,931,964.51/7,315.78
  6. Step 6: Final answer
    x = 8,192.15

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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.