Home / 9,299.51-12,827.65-5,520.11

Finding the Fourth Proportional to 9,299.51, 12,827.65 and 5,520.11

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Solution

The fourth proportional to 9,299.51, 12,827.65 and 5,520.11 is: 7,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.51 : 12,827.65 = 5,520.11 : x
  2. Step 2: Convert to fraction form
    9,299.51/12,827.65 = 5,520.11/x
  3. Step 3: Cross multiply
    9,299.51x = 12,827.65 × 5,520.11
  4. Step 4: Simplify right side
    9,299.51x = 70,810,011.44
  5. Step 5: Solve for x
    x = 70,810,011.44/9,299.51
  6. Step 6: Final answer
    x = 7,614.39

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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.