Home / 10,441.51-15,660.64-3,045.20

Finding the Fourth Proportional to 10,441.51, 15,660.64 and 3,045.20

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Solution

The fourth proportional to 10,441.51, 15,660.64 and 3,045.20 is: 4,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.51 : 15,660.64 = 3,045.20 : x
  2. Step 2: Convert to fraction form
    10,441.51/15,660.64 = 3,045.20/x
  3. Step 3: Cross multiply
    10,441.51x = 15,660.64 × 3,045.20
  4. Step 4: Simplify right side
    10,441.51x = 47,689,706.43
  5. Step 5: Solve for x
    x = 47,689,706.43/10,441.51
  6. Step 6: Final answer
    x = 4,567.32

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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.