Home / 11,495.05-15,862.82-6,459.15

Finding the Fourth Proportional to 11,495.05, 15,862.82 and 6,459.15

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Solution

The fourth proportional to 11,495.05, 15,862.82 and 6,459.15 is: 8,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.05 : 15,862.82 = 6,459.15 : x
  2. Step 2: Convert to fraction form
    11,495.05/15,862.82 = 6,459.15/x
  3. Step 3: Cross multiply
    11,495.05x = 15,862.82 × 6,459.15
  4. Step 4: Simplify right side
    11,495.05x = 102,460,278.00
  5. Step 5: Solve for x
    x = 102,460,278.00/11,495.05
  6. Step 6: Final answer
    x = 8,913.42

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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.