Home / 6,985.56-10,479.63-2,305.89

Finding the Fourth Proportional to 6,985.56, 10,479.63 and 2,305.89

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Solution

The fourth proportional to 6,985.56, 10,479.63 and 2,305.89 is: 3,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.56 : 10,479.63 = 2,305.89 : x
  2. Step 2: Convert to fraction form
    6,985.56/10,479.63 = 2,305.89/x
  3. Step 3: Cross multiply
    6,985.56x = 10,479.63 × 2,305.89
  4. Step 4: Simplify right side
    6,985.56x = 24,164,887.12
  5. Step 5: Solve for x
    x = 24,164,887.12/6,985.56
  6. Step 6: Final answer
    x = 3,459.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.