Home / 7,673.10-11,516.40-4,549.20

Finding the Fourth Proportional to 7,673.10, 11,516.40 and 4,549.20

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Solution

The fourth proportional to 7,673.10, 11,516.40 and 4,549.20 is: 6,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.10 : 11,516.40 = 4,549.20 : x
  2. Step 2: Convert to fraction form
    7,673.10/11,516.40 = 4,549.20/x
  3. Step 3: Cross multiply
    7,673.10x = 11,516.40 × 4,549.20
  4. Step 4: Simplify right side
    7,673.10x = 52,390,406.88
  5. Step 5: Solve for x
    x = 52,390,406.88/7,673.10
  6. Step 6: Final answer
    x = 6,827.80

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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.