Home / 9,810.10-14,690.23-5,422.75

Finding the Fourth Proportional to 9,810.10, 14,690.23 and 5,422.75

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Solution

The fourth proportional to 9,810.10, 14,690.23 and 5,422.75 is: 8,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.10 : 14,690.23 = 5,422.75 : x
  2. Step 2: Convert to fraction form
    9,810.10/14,690.23 = 5,422.75/x
  3. Step 3: Cross multiply
    9,810.10x = 14,690.23 × 5,422.75
  4. Step 4: Simplify right side
    9,810.10x = 79,661,444.73
  5. Step 5: Solve for x
    x = 79,661,444.73/9,810.10
  6. Step 6: Final answer
    x = 8,120.35

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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.