Home / 11,488.55-15,855.24-6,710.81

Finding the Fourth Proportional to 11,488.55, 15,855.24 and 6,710.81

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Solution

The fourth proportional to 11,488.55, 15,855.24 and 6,710.81 is: 9,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.55 : 15,855.24 = 6,710.81 : x
  2. Step 2: Convert to fraction form
    11,488.55/15,855.24 = 6,710.81/x
  3. Step 3: Cross multiply
    11,488.55x = 15,855.24 × 6,710.81
  4. Step 4: Simplify right side
    11,488.55x = 106,401,423.87
  5. Step 5: Solve for x
    x = 106,401,423.87/11,488.55
  6. Step 6: Final answer
    x = 9,261.52

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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.