Home / 10,435.57-15,660.14-4,518.23

Finding the Fourth Proportional to 10,435.57, 15,660.14 and 4,518.23

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Solution

The fourth proportional to 10,435.57, 15,660.14 and 4,518.23 is: 6,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.57 : 15,660.14 = 4,518.23 : x
  2. Step 2: Convert to fraction form
    10,435.57/15,660.14 = 4,518.23/x
  3. Step 3: Cross multiply
    10,435.57x = 15,660.14 × 4,518.23
  4. Step 4: Simplify right side
    10,435.57x = 70,756,013.46
  5. Step 5: Solve for x
    x = 70,756,013.46/10,435.57
  6. Step 6: Final answer
    x = 6,780.27

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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.