Home / 9,521.10-14,270.61-5,628.78

Finding the Fourth Proportional to 9,521.10, 14,270.61 and 5,628.78

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Solution

The fourth proportional to 9,521.10, 14,270.61 and 5,628.78 is: 8,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.10 : 14,270.61 = 5,628.78 : x
  2. Step 2: Convert to fraction form
    9,521.10/14,270.61 = 5,628.78/x
  3. Step 3: Cross multiply
    9,521.10x = 14,270.61 × 5,628.78
  4. Step 4: Simplify right side
    9,521.10x = 80,326,124.16
  5. Step 5: Solve for x
    x = 80,326,124.16/9,521.10
  6. Step 6: Final answer
    x = 8,436.64

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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.