Home / 9,015.08-13,502.84-7,437.34

Finding the Fourth Proportional to 9,015.08, 13,502.84 and 7,437.34

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Solution

The fourth proportional to 9,015.08, 13,502.84 and 7,437.34 is: 11,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.08 : 13,502.84 = 7,437.34 : x
  2. Step 2: Convert to fraction form
    9,015.08/13,502.84 = 7,437.34/x
  3. Step 3: Cross multiply
    9,015.08x = 13,502.84 × 7,437.34
  4. Step 4: Simplify right side
    9,015.08x = 100,425,144.53
  5. Step 5: Solve for x
    x = 100,425,144.53/9,015.08
  6. Step 6: Final answer
    x = 11,139.68

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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.