Home / 10,655.77-14,708.10-6,181.60

Finding the Fourth Proportional to 10,655.77, 14,708.10 and 6,181.60

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Solution

The fourth proportional to 10,655.77, 14,708.10 and 6,181.60 is: 8,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.77 : 14,708.10 = 6,181.60 : x
  2. Step 2: Convert to fraction form
    10,655.77/14,708.10 = 6,181.60/x
  3. Step 3: Cross multiply
    10,655.77x = 14,708.10 × 6,181.60
  4. Step 4: Simplify right side
    10,655.77x = 90,919,590.96
  5. Step 5: Solve for x
    x = 90,919,590.96/10,655.77
  6. Step 6: Final answer
    x = 8,532.43

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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.