Home / 10,455.66-15,687.60-4,608.18

Finding the Fourth Proportional to 10,455.66, 15,687.60 and 4,608.18

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Solution

The fourth proportional to 10,455.66, 15,687.60 and 4,608.18 is: 6,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.66 : 15,687.60 = 4,608.18 : x
  2. Step 2: Convert to fraction form
    10,455.66/15,687.60 = 4,608.18/x
  3. Step 3: Cross multiply
    10,455.66x = 15,687.60 × 4,608.18
  4. Step 4: Simplify right side
    10,455.66x = 72,291,284.57
  5. Step 5: Solve for x
    x = 72,291,284.57/10,455.66
  6. Step 6: Final answer
    x = 6,914.08

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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.