Home / 10,514.86-15,772.23-3,495.40

Finding the Fourth Proportional to 10,514.86, 15,772.23 and 3,495.40

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Solution

The fourth proportional to 10,514.86, 15,772.23 and 3,495.40 is: 5,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.86 : 15,772.23 = 3,495.40 : x
  2. Step 2: Convert to fraction form
    10,514.86/15,772.23 = 3,495.40/x
  3. Step 3: Cross multiply
    10,514.86x = 15,772.23 × 3,495.40
  4. Step 4: Simplify right side
    10,514.86x = 55,130,252.74
  5. Step 5: Solve for x
    x = 55,130,252.74/10,514.86
  6. Step 6: Final answer
    x = 5,243.08

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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.