Home / 10,859.16-14,985.84-6,383.04

Finding the Fourth Proportional to 10,859.16, 14,985.84 and 6,383.04

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Solution

The fourth proportional to 10,859.16, 14,985.84 and 6,383.04 is: 8,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.16 : 14,985.84 = 6,383.04 : x
  2. Step 2: Convert to fraction form
    10,859.16/14,985.84 = 6,383.04/x
  3. Step 3: Cross multiply
    10,859.16x = 14,985.84 × 6,383.04
  4. Step 4: Simplify right side
    10,859.16x = 95,655,216.15
  5. Step 5: Solve for x
    x = 95,655,216.15/10,859.16
  6. Step 6: Final answer
    x = 8,808.71

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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.