Home / 10,204.40-15,299.40-4,660.40

Finding the Fourth Proportional to 10,204.40, 15,299.40 and 4,660.40

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Solution

The fourth proportional to 10,204.40, 15,299.40 and 4,660.40 is: 6,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.40 : 15,299.40 = 4,660.40 : x
  2. Step 2: Convert to fraction form
    10,204.40/15,299.40 = 4,660.40/x
  3. Step 3: Cross multiply
    10,204.40x = 15,299.40 × 4,660.40
  4. Step 4: Simplify right side
    10,204.40x = 71,301,323.76
  5. Step 5: Solve for x
    x = 71,301,323.76/10,204.40
  6. Step 6: Final answer
    x = 6,987.31

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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.