Home / 10,356.41-15,528.69-4,806.89

Finding the Fourth Proportional to 10,356.41, 15,528.69 and 4,806.89

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Solution

The fourth proportional to 10,356.41, 15,528.69 and 4,806.89 is: 7,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.41 : 15,528.69 = 4,806.89 : x
  2. Step 2: Convert to fraction form
    10,356.41/15,528.69 = 4,806.89/x
  3. Step 3: Cross multiply
    10,356.41x = 15,528.69 × 4,806.89
  4. Step 4: Simplify right side
    10,356.41x = 74,644,704.67
  5. Step 5: Solve for x
    x = 74,644,704.67/10,356.41
  6. Step 6: Final answer
    x = 7,207.58

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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.