Home / 9,263.55-13,889.18-5,105.55

Finding the Fourth Proportional to 9,263.55, 13,889.18 and 5,105.55

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Solution

The fourth proportional to 9,263.55, 13,889.18 and 5,105.55 is: 7,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.55 : 13,889.18 = 5,105.55 : x
  2. Step 2: Convert to fraction form
    9,263.55/13,889.18 = 5,105.55/x
  3. Step 3: Cross multiply
    9,263.55x = 13,889.18 × 5,105.55
  4. Step 4: Simplify right side
    9,263.55x = 70,911,877.42
  5. Step 5: Solve for x
    x = 70,911,877.42/9,263.55
  6. Step 6: Final answer
    x = 7,654.94

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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.