Home / 11,250.06-15,525.78-6,471.51

Finding the Fourth Proportional to 11,250.06, 15,525.78 and 6,471.51

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Solution

The fourth proportional to 11,250.06, 15,525.78 and 6,471.51 is: 8,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.06 : 15,525.78 = 6,471.51 : x
  2. Step 2: Convert to fraction form
    11,250.06/15,525.78 = 6,471.51/x
  3. Step 3: Cross multiply
    11,250.06x = 15,525.78 × 6,471.51
  4. Step 4: Simplify right side
    11,250.06x = 100,475,240.53
  5. Step 5: Solve for x
    x = 100,475,240.53/11,250.06
  6. Step 6: Final answer
    x = 8,931.08

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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.