Home / 9,635.15-13,299.80-5,657.45

Finding the Fourth Proportional to 9,635.15, 13,299.80 and 5,657.45

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Solution

The fourth proportional to 9,635.15, 13,299.80 and 5,657.45 is: 7,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.15 : 13,299.80 = 5,657.45 : x
  2. Step 2: Convert to fraction form
    9,635.15/13,299.80 = 5,657.45/x
  3. Step 3: Cross multiply
    9,635.15x = 13,299.80 × 5,657.45
  4. Step 4: Simplify right side
    9,635.15x = 75,242,858.72
  5. Step 5: Solve for x
    x = 75,242,858.72/9,635.15
  6. Step 6: Final answer
    x = 7,809.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.