Home / 10,364.12-14,302.67-5,648.40

Finding the Fourth Proportional to 10,364.12, 14,302.67 and 5,648.40

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Solution

The fourth proportional to 10,364.12, 14,302.67 and 5,648.40 is: 7,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.12 : 14,302.67 = 5,648.40 : x
  2. Step 2: Convert to fraction form
    10,364.12/14,302.67 = 5,648.40/x
  3. Step 3: Cross multiply
    10,364.12x = 14,302.67 × 5,648.40
  4. Step 4: Simplify right side
    10,364.12x = 80,787,172.99
  5. Step 5: Solve for x
    x = 80,787,172.99/10,364.12
  6. Step 6: Final answer
    x = 7,794.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.