Home / 10,454.06-15,681.09-3,528.56

Finding the Fourth Proportional to 10,454.06, 15,681.09 and 3,528.56

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Solution

The fourth proportional to 10,454.06, 15,681.09 and 3,528.56 is: 5,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.06 : 15,681.09 = 3,528.56 : x
  2. Step 2: Convert to fraction form
    10,454.06/15,681.09 = 3,528.56/x
  3. Step 3: Cross multiply
    10,454.06x = 15,681.09 × 3,528.56
  4. Step 4: Simplify right side
    10,454.06x = 55,331,719.37
  5. Step 5: Solve for x
    x = 55,331,719.37/10,454.06
  6. Step 6: Final answer
    x = 5,292.84

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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.