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Finding the Fourth Proportional to 10,896.76, 14,999.88 and 9,497.08

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Solution

The fourth proportional to 10,896.76, 14,999.88 and 9,497.08 is: 13,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.76 : 14,999.88 = 9,497.08 : x
  2. Step 2: Convert to fraction form
    10,896.76/14,999.88 = 9,497.08/x
  3. Step 3: Cross multiply
    10,896.76x = 14,999.88 × 9,497.08
  4. Step 4: Simplify right side
    10,896.76x = 142,455,060.35
  5. Step 5: Solve for x
    x = 142,455,060.35/10,896.76
  6. Step 6: Final answer
    x = 13,073.16

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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.