Home / 10,859.37-14,985.20-6,143.34

Finding the Fourth Proportional to 10,859.37, 14,985.20 and 6,143.34

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Solution

The fourth proportional to 10,859.37, 14,985.20 and 6,143.34 is: 8,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.37 : 14,985.20 = 6,143.34 : x
  2. Step 2: Convert to fraction form
    10,859.37/14,985.20 = 6,143.34/x
  3. Step 3: Cross multiply
    10,859.37x = 14,985.20 × 6,143.34
  4. Step 4: Simplify right side
    10,859.37x = 92,059,250.12
  5. Step 5: Solve for x
    x = 92,059,250.12/10,859.37
  6. Step 6: Final answer
    x = 8,477.41

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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.