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Finding the Fourth Proportional to 9,360.66, 12,899.96 and 6,703.46

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Solution

The fourth proportional to 9,360.66, 12,899.96 and 6,703.46 is: 9,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.66 : 12,899.96 = 6,703.46 : x
  2. Step 2: Convert to fraction form
    9,360.66/12,899.96 = 6,703.46/x
  3. Step 3: Cross multiply
    9,360.66x = 12,899.96 × 6,703.46
  4. Step 4: Simplify right side
    9,360.66x = 86,474,341.36
  5. Step 5: Solve for x
    x = 86,474,341.36/9,360.66
  6. Step 6: Final answer
    x = 9,238.06

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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.