Home / 10,389.48-15,583.26-4,233

Finding the Fourth Proportional to 10,389.48, 15,583.26 and 4,233

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Solution

The fourth proportional to 10,389.48, 15,583.26 and 4,233 is: 6,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.48 : 15,583.26 = 4,233 : x
  2. Step 2: Convert to fraction form
    10,389.48/15,583.26 = 4,233/x
  3. Step 3: Cross multiply
    10,389.48x = 15,583.26 × 4,233
  4. Step 4: Simplify right side
    10,389.48x = 65,963,939.58
  5. Step 5: Solve for x
    x = 65,963,939.58/10,389.48
  6. Step 6: Final answer
    x = 6,349.11

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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.