Home / 10,261.01-15,390.09-3,686.24

Finding the Fourth Proportional to 10,261.01, 15,390.09 and 3,686.24

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Solution

The fourth proportional to 10,261.01, 15,390.09 and 3,686.24 is: 5,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.01 : 15,390.09 = 3,686.24 : x
  2. Step 2: Convert to fraction form
    10,261.01/15,390.09 = 3,686.24/x
  3. Step 3: Cross multiply
    10,261.01x = 15,390.09 × 3,686.24
  4. Step 4: Simplify right side
    10,261.01x = 56,731,488.41
  5. Step 5: Solve for x
    x = 56,731,488.41/10,261.01
  6. Step 6: Final answer
    x = 5,528.84

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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.