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Finding the Fourth Proportional to 11,763.02, 16,232.16 and 6,457.70

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Solution

The fourth proportional to 11,763.02, 16,232.16 and 6,457.70 is: 8,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.02 : 16,232.16 = 6,457.70 : x
  2. Step 2: Convert to fraction form
    11,763.02/16,232.16 = 6,457.70/x
  3. Step 3: Cross multiply
    11,763.02x = 16,232.16 × 6,457.70
  4. Step 4: Simplify right side
    11,763.02x = 104,822,419.63
  5. Step 5: Solve for x
    x = 104,822,419.63/11,763.02
  6. Step 6: Final answer
    x = 8,911.18

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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.