Home / 7,557.60-11,348.55-5,710.80

Finding the Fourth Proportional to 7,557.60, 11,348.55 and 5,710.80

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Solution

The fourth proportional to 7,557.60, 11,348.55 and 5,710.80 is: 8,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.60 : 11,348.55 = 5,710.80 : x
  2. Step 2: Convert to fraction form
    7,557.60/11,348.55 = 5,710.80/x
  3. Step 3: Cross multiply
    7,557.60x = 11,348.55 × 5,710.80
  4. Step 4: Simplify right side
    7,557.60x = 64,809,299.34
  5. Step 5: Solve for x
    x = 64,809,299.34/7,557.60
  6. Step 6: Final answer
    x = 8,575.38

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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.