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Finding the Fourth Proportional to 10,307.54, 14,236.02 and 6,964.17

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Solution

The fourth proportional to 10,307.54, 14,236.02 and 6,964.17 is: 9,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.54 : 14,236.02 = 6,964.17 : x
  2. Step 2: Convert to fraction form
    10,307.54/14,236.02 = 6,964.17/x
  3. Step 3: Cross multiply
    10,307.54x = 14,236.02 × 6,964.17
  4. Step 4: Simplify right side
    10,307.54x = 99,142,063.40
  5. Step 5: Solve for x
    x = 99,142,063.40/10,307.54
  6. Step 6: Final answer
    x = 9,618.40

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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.