Home / 10,326.48-15,488.64-4,085.16

Finding the Fourth Proportional to 10,326.48, 15,488.64 and 4,085.16

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Solution

The fourth proportional to 10,326.48, 15,488.64 and 4,085.16 is: 6,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.48 : 15,488.64 = 4,085.16 : x
  2. Step 2: Convert to fraction form
    10,326.48/15,488.64 = 4,085.16/x
  3. Step 3: Cross multiply
    10,326.48x = 15,488.64 × 4,085.16
  4. Step 4: Simplify right side
    10,326.48x = 63,273,572.58
  5. Step 5: Solve for x
    x = 63,273,572.58/10,326.48
  6. Step 6: Final answer
    x = 6,127.31

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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.