Home / 10,515.03-15,795.44-6,356.99

Finding the Fourth Proportional to 10,515.03, 15,795.44 and 6,356.99

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Solution

The fourth proportional to 10,515.03, 15,795.44 and 6,356.99 is: 9,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.03 : 15,795.44 = 6,356.99 : x
  2. Step 2: Convert to fraction form
    10,515.03/15,795.44 = 6,356.99/x
  3. Step 3: Cross multiply
    10,515.03x = 15,795.44 × 6,356.99
  4. Step 4: Simplify right side
    10,515.03x = 100,411,461.83
  5. Step 5: Solve for x
    x = 100,411,461.83/10,515.03
  6. Step 6: Final answer
    x = 9,549.33

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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.