Home / 7,557.50-11,307.75-6,790.14

Finding the Fourth Proportional to 7,557.50, 11,307.75 and 6,790.14

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Solution

The fourth proportional to 7,557.50, 11,307.75 and 6,790.14 is: 10,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.50 : 11,307.75 = 6,790.14 : x
  2. Step 2: Convert to fraction form
    7,557.50/11,307.75 = 6,790.14/x
  3. Step 3: Cross multiply
    7,557.50x = 11,307.75 × 6,790.14
  4. Step 4: Simplify right side
    7,557.50x = 76,781,205.59
  5. Step 5: Solve for x
    x = 76,781,205.59/7,557.50
  6. Step 6: Final answer
    x = 10,159.60

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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.