Home / 10,318.39-15,479.53-4,696.49

Finding the Fourth Proportional to 10,318.39, 15,479.53 and 4,696.49

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Solution

The fourth proportional to 10,318.39, 15,479.53 and 4,696.49 is: 7,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.39 : 15,479.53 = 4,696.49 : x
  2. Step 2: Convert to fraction form
    10,318.39/15,479.53 = 4,696.49/x
  3. Step 3: Cross multiply
    10,318.39x = 15,479.53 × 4,696.49
  4. Step 4: Simplify right side
    10,318.39x = 72,699,484.81
  5. Step 5: Solve for x
    x = 72,699,484.81/10,318.39
  6. Step 6: Final answer
    x = 7,045.62

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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.