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Finding the Fourth Proportional to 9,399.63, 14,031.10 and 8,973.17

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Solution

The fourth proportional to 9,399.63, 14,031.10 and 8,973.17 is: 13,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.63 : 14,031.10 = 8,973.17 : x
  2. Step 2: Convert to fraction form
    9,399.63/14,031.10 = 8,973.17/x
  3. Step 3: Cross multiply
    9,399.63x = 14,031.10 × 8,973.17
  4. Step 4: Simplify right side
    9,399.63x = 125,903,445.59
  5. Step 5: Solve for x
    x = 125,903,445.59/9,399.63
  6. Step 6: Final answer
    x = 13,394.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.