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Finding the Fourth Proportional to 8,435.06, 12,635.66 and 7,746.11

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Solution

The fourth proportional to 8,435.06, 12,635.66 and 7,746.11 is: 11,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.06 : 12,635.66 = 7,746.11 : x
  2. Step 2: Convert to fraction form
    8,435.06/12,635.66 = 7,746.11/x
  3. Step 3: Cross multiply
    8,435.06x = 12,635.66 × 7,746.11
  4. Step 4: Simplify right side
    8,435.06x = 97,877,168.47
  5. Step 5: Solve for x
    x = 97,877,168.47/8,435.06
  6. Step 6: Final answer
    x = 11,603.62

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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.