Home / 13,461.46-18,577.18-7,411.88

Finding the Fourth Proportional to 13,461.46, 18,577.18 and 7,411.88

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Solution

The fourth proportional to 13,461.46, 18,577.18 and 7,411.88 is: 10,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.46 : 18,577.18 = 7,411.88 : x
  2. Step 2: Convert to fraction form
    13,461.46/18,577.18 = 7,411.88/x
  3. Step 3: Cross multiply
    13,461.46x = 18,577.18 × 7,411.88
  4. Step 4: Simplify right side
    13,461.46x = 137,691,828.90
  5. Step 5: Solve for x
    x = 137,691,828.90/13,461.46
  6. Step 6: Final answer
    x = 10,228.60

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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.