Home / 7,657.54-11,485.55-2,110.30

Finding the Fourth Proportional to 7,657.54, 11,485.55 and 2,110.30

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Solution

The fourth proportional to 7,657.54, 11,485.55 and 2,110.30 is: 3,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.54 : 11,485.55 = 2,110.30 : x
  2. Step 2: Convert to fraction form
    7,657.54/11,485.55 = 2,110.30/x
  3. Step 3: Cross multiply
    7,657.54x = 11,485.55 × 2,110.30
  4. Step 4: Simplify right side
    7,657.54x = 24,237,985.46
  5. Step 5: Solve for x
    x = 24,237,985.46/7,657.54
  6. Step 6: Final answer
    x = 3,165.25

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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.