Home / 13,074.46-19,612.70-7,845.10

Finding the Fourth Proportional to 13,074.46, 19,612.70 and 7,845.10

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Solution

The fourth proportional to 13,074.46, 19,612.70 and 7,845.10 is: 11,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.46 : 19,612.70 = 7,845.10 : x
  2. Step 2: Convert to fraction form
    13,074.46/19,612.70 = 7,845.10/x
  3. Step 3: Cross multiply
    13,074.46x = 19,612.70 × 7,845.10
  4. Step 4: Simplify right side
    13,074.46x = 153,863,455.48
  5. Step 5: Solve for x
    x = 153,863,455.48/13,074.46
  6. Step 6: Final answer
    x = 11,768.25

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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.