Home / 7,516.20-11,281.10-4,009.18

Finding the Fourth Proportional to 7,516.20, 11,281.10 and 4,009.18

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Solution

The fourth proportional to 7,516.20, 11,281.10 and 4,009.18 is: 6,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.20 : 11,281.10 = 4,009.18 : x
  2. Step 2: Convert to fraction form
    7,516.20/11,281.10 = 4,009.18/x
  3. Step 3: Cross multiply
    7,516.20x = 11,281.10 × 4,009.18
  4. Step 4: Simplify right side
    7,516.20x = 45,227,960.50
  5. Step 5: Solve for x
    x = 45,227,960.50/7,516.20
  6. Step 6: Final answer
    x = 6,017.40

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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.