Home / 12,147.32-16,762.26-6,841.16

Finding the Fourth Proportional to 12,147.32, 16,762.26 and 6,841.16

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Solution

The fourth proportional to 12,147.32, 16,762.26 and 6,841.16 is: 9,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.32 : 16,762.26 = 6,841.16 : x
  2. Step 2: Convert to fraction form
    12,147.32/16,762.26 = 6,841.16/x
  3. Step 3: Cross multiply
    12,147.32x = 16,762.26 × 6,841.16
  4. Step 4: Simplify right side
    12,147.32x = 114,673,302.62
  5. Step 5: Solve for x
    x = 114,673,302.62/12,147.32
  6. Step 6: Final answer
    x = 9,440.21

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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.