Home / 7,914.96-10,919.35-4,925.61

Finding the Fourth Proportional to 7,914.96, 10,919.35 and 4,925.61

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Solution

The fourth proportional to 7,914.96, 10,919.35 and 4,925.61 is: 6,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.96 : 10,919.35 = 4,925.61 : x
  2. Step 2: Convert to fraction form
    7,914.96/10,919.35 = 4,925.61/x
  3. Step 3: Cross multiply
    7,914.96x = 10,919.35 × 4,925.61
  4. Step 4: Simplify right side
    7,914.96x = 53,784,459.55
  5. Step 5: Solve for x
    x = 53,784,459.55/7,914.96
  6. Step 6: Final answer
    x = 6,795.29

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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.