Home / 10,871.37-15,002.69-6,156.63

Finding the Fourth Proportional to 10,871.37, 15,002.69 and 6,156.63

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Solution

The fourth proportional to 10,871.37, 15,002.69 and 6,156.63 is: 8,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.37 : 15,002.69 = 6,156.63 : x
  2. Step 2: Convert to fraction form
    10,871.37/15,002.69 = 6,156.63/x
  3. Step 3: Cross multiply
    10,871.37x = 15,002.69 × 6,156.63
  4. Step 4: Simplify right side
    10,871.37x = 92,365,980.55
  5. Step 5: Solve for x
    x = 92,365,980.55/10,871.37
  6. Step 6: Final answer
    x = 8,496.26

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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.