Home / 10,314.09-15,474.46-4,771.07

Finding the Fourth Proportional to 10,314.09, 15,474.46 and 4,771.07

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Solution

The fourth proportional to 10,314.09, 15,474.46 and 4,771.07 is: 7,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.09 : 15,474.46 = 4,771.07 : x
  2. Step 2: Convert to fraction form
    10,314.09/15,474.46 = 4,771.07/x
  3. Step 3: Cross multiply
    10,314.09x = 15,474.46 × 4,771.07
  4. Step 4: Simplify right side
    10,314.09x = 73,829,654.50
  5. Step 5: Solve for x
    x = 73,829,654.50/10,314.09
  6. Step 6: Final answer
    x = 7,158.14

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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.