Home / 9,738.01-13,438.45-5,261.76

Finding the Fourth Proportional to 9,738.01, 13,438.45 and 5,261.76

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Solution

The fourth proportional to 9,738.01, 13,438.45 and 5,261.76 is: 7,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.01 : 13,438.45 = 5,261.76 : x
  2. Step 2: Convert to fraction form
    9,738.01/13,438.45 = 5,261.76/x
  3. Step 3: Cross multiply
    9,738.01x = 13,438.45 × 5,261.76
  4. Step 4: Simplify right side
    9,738.01x = 70,709,898.67
  5. Step 5: Solve for x
    x = 70,709,898.67/9,738.01
  6. Step 6: Final answer
    x = 7,261.23

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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.