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Finding the Fourth Proportional to 9,510.64, 13,124.64 and 5,318.92

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Solution

The fourth proportional to 9,510.64, 13,124.64 and 5,318.92 is: 7,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.64 : 13,124.64 = 5,318.92 : x
  2. Step 2: Convert to fraction form
    9,510.64/13,124.64 = 5,318.92/x
  3. Step 3: Cross multiply
    9,510.64x = 13,124.64 × 5,318.92
  4. Step 4: Simplify right side
    9,510.64x = 69,808,910.19
  5. Step 5: Solve for x
    x = 69,808,910.19/9,510.64
  6. Step 6: Final answer
    x = 7,340.09

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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.