Home / 9,385.75-14,063.80-7,622.17

Finding the Fourth Proportional to 9,385.75, 14,063.80 and 7,622.17

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Solution

The fourth proportional to 9,385.75, 14,063.80 and 7,622.17 is: 11,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.75 : 14,063.80 = 7,622.17 : x
  2. Step 2: Convert to fraction form
    9,385.75/14,063.80 = 7,622.17/x
  3. Step 3: Cross multiply
    9,385.75x = 14,063.80 × 7,622.17
  4. Step 4: Simplify right side
    9,385.75x = 107,196,674.45
  5. Step 5: Solve for x
    x = 107,196,674.45/9,385.75
  6. Step 6: Final answer
    x = 11,421.22

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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.