Home / 10,479.53-15,715.96-3,458.24

Finding the Fourth Proportional to 10,479.53, 15,715.96 and 3,458.24

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Solution

The fourth proportional to 10,479.53, 15,715.96 and 3,458.24 is: 5,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.53 : 15,715.96 = 3,458.24 : x
  2. Step 2: Convert to fraction form
    10,479.53/15,715.96 = 3,458.24/x
  3. Step 3: Cross multiply
    10,479.53x = 15,715.96 × 3,458.24
  4. Step 4: Simplify right side
    10,479.53x = 54,349,482.93
  5. Step 5: Solve for x
    x = 54,349,482.93/10,479.53
  6. Step 6: Final answer
    x = 5,186.25

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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.