Home / 10,065.01-13,889.90-5,527.66

Finding the Fourth Proportional to 10,065.01, 13,889.90 and 5,527.66

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Solution

The fourth proportional to 10,065.01, 13,889.90 and 5,527.66 is: 7,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.01 : 13,889.90 = 5,527.66 : x
  2. Step 2: Convert to fraction form
    10,065.01/13,889.90 = 5,527.66/x
  3. Step 3: Cross multiply
    10,065.01x = 13,889.90 × 5,527.66
  4. Step 4: Simplify right side
    10,065.01x = 76,778,618.68
  5. Step 5: Solve for x
    x = 76,778,618.68/10,065.01
  6. Step 6: Final answer
    x = 7,628.27

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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.