Home / 10,825.16-14,938.70-6,109.47

Finding the Fourth Proportional to 10,825.16, 14,938.70 and 6,109.47

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Solution

The fourth proportional to 10,825.16, 14,938.70 and 6,109.47 is: 8,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.16 : 14,938.70 = 6,109.47 : x
  2. Step 2: Convert to fraction form
    10,825.16/14,938.70 = 6,109.47/x
  3. Step 3: Cross multiply
    10,825.16x = 14,938.70 × 6,109.47
  4. Step 4: Simplify right side
    10,825.16x = 91,267,508.94
  5. Step 5: Solve for x
    x = 91,267,508.94/10,825.16
  6. Step 6: Final answer
    x = 8,431.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.