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Finding the Fourth Proportional to 10,373.90, 14,316.03 and 5,658.21

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Solution

The fourth proportional to 10,373.90, 14,316.03 and 5,658.21 is: 7,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.90 : 14,316.03 = 5,658.21 : x
  2. Step 2: Convert to fraction form
    10,373.90/14,316.03 = 5,658.21/x
  3. Step 3: Cross multiply
    10,373.90x = 14,316.03 × 5,658.21
  4. Step 4: Simplify right side
    10,373.90x = 81,003,104.11
  5. Step 5: Solve for x
    x = 81,003,104.11/10,373.90
  6. Step 6: Final answer
    x = 7,808.36

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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.