Home / 10,056.60-13,891.65-7,727.85

Finding the Fourth Proportional to 10,056.60, 13,891.65 and 7,727.85

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Solution

The fourth proportional to 10,056.60, 13,891.65 and 7,727.85 is: 10,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.60 : 13,891.65 = 7,727.85 : x
  2. Step 2: Convert to fraction form
    10,056.60/13,891.65 = 7,727.85/x
  3. Step 3: Cross multiply
    10,056.60x = 13,891.65 × 7,727.85
  4. Step 4: Simplify right side
    10,056.60x = 107,352,587.45
  5. Step 5: Solve for x
    x = 107,352,587.45/10,056.60
  6. Step 6: Final answer
    x = 10,674.84

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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.