Home / 10,265.35-14,166.20-5,549.64

Finding the Fourth Proportional to 10,265.35, 14,166.20 and 5,549.64

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Solution

The fourth proportional to 10,265.35, 14,166.20 and 5,549.64 is: 7,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.35 : 14,166.20 = 5,549.64 : x
  2. Step 2: Convert to fraction form
    10,265.35/14,166.20 = 5,549.64/x
  3. Step 3: Cross multiply
    10,265.35x = 14,166.20 × 5,549.64
  4. Step 4: Simplify right side
    10,265.35x = 78,617,239.34
  5. Step 5: Solve for x
    x = 78,617,239.34/10,265.35
  6. Step 6: Final answer
    x = 7,658.51

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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.