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Finding the Fourth Proportional to 11,295.98, 15,587.97 and 6,260.40

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Solution

The fourth proportional to 11,295.98, 15,587.97 and 6,260.40 is: 8,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.98 : 15,587.97 = 6,260.40 : x
  2. Step 2: Convert to fraction form
    11,295.98/15,587.97 = 6,260.40/x
  3. Step 3: Cross multiply
    11,295.98x = 15,587.97 × 6,260.40
  4. Step 4: Simplify right side
    11,295.98x = 97,586,927.39
  5. Step 5: Solve for x
    x = 97,586,927.39/11,295.98
  6. Step 6: Final answer
    x = 8,639.09

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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.