Home / 10,173.63-15,329.76-8,365.25

Finding the Fourth Proportional to 10,173.63, 15,329.76 and 8,365.25

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Solution

The fourth proportional to 10,173.63, 15,329.76 and 8,365.25 is: 12,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.63 : 15,329.76 = 8,365.25 : x
  2. Step 2: Convert to fraction form
    10,173.63/15,329.76 = 8,365.25/x
  3. Step 3: Cross multiply
    10,173.63x = 15,329.76 × 8,365.25
  4. Step 4: Simplify right side
    10,173.63x = 128,237,274.84
  5. Step 5: Solve for x
    x = 128,237,274.84/10,173.63
  6. Step 6: Final answer
    x = 12,604.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.