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Finding the Fourth Proportional to 10,656.30, 15,946.65 and 9,284.70

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Solution

The fourth proportional to 10,656.30, 15,946.65 and 9,284.70 is: 13,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.30 : 15,946.65 = 9,284.70 : x
  2. Step 2: Convert to fraction form
    10,656.30/15,946.65 = 9,284.70/x
  3. Step 3: Cross multiply
    10,656.30x = 15,946.65 × 9,284.70
  4. Step 4: Simplify right side
    10,656.30x = 148,059,861.26
  5. Step 5: Solve for x
    x = 148,059,861.26/10,656.30
  6. Step 6: Final answer
    x = 13,894.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.