Home / 27,535.60-41,303.40-7,813.90

Finding the Fourth Proportional to 27,535.60, 41,303.40 and 7,813.90

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Solution

The fourth proportional to 27,535.60, 41,303.40 and 7,813.90 is: 11,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,535.60 : 41,303.40 = 7,813.90 : x
  2. Step 2: Convert to fraction form
    27,535.60/41,303.40 = 7,813.90/x
  3. Step 3: Cross multiply
    27,535.60x = 41,303.40 × 7,813.90
  4. Step 4: Simplify right side
    27,535.60x = 322,740,637.26
  5. Step 5: Solve for x
    x = 322,740,637.26/27,535.60
  6. Step 6: Final answer
    x = 11,720.85

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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.