Home / 12,361.34-18,541.20-5,341.16

Finding the Fourth Proportional to 12,361.34, 18,541.20 and 5,341.16

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Solution

The fourth proportional to 12,361.34, 18,541.20 and 5,341.16 is: 8,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.34 : 18,541.20 = 5,341.16 : x
  2. Step 2: Convert to fraction form
    12,361.34/18,541.20 = 5,341.16/x
  3. Step 3: Cross multiply
    12,361.34x = 18,541.20 × 5,341.16
  4. Step 4: Simplify right side
    12,361.34x = 99,031,515.79
  5. Step 5: Solve for x
    x = 99,031,515.79/12,361.34
  6. Step 6: Final answer
    x = 8,011.39

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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.