Home / 7,603.87-11,405.80-5,537.03

Finding the Fourth Proportional to 7,603.87, 11,405.80 and 5,537.03

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Solution

The fourth proportional to 7,603.87, 11,405.80 and 5,537.03 is: 8,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.87 : 11,405.80 = 5,537.03 : x
  2. Step 2: Convert to fraction form
    7,603.87/11,405.80 = 5,537.03/x
  3. Step 3: Cross multiply
    7,603.87x = 11,405.80 × 5,537.03
  4. Step 4: Simplify right side
    7,603.87x = 63,154,256.77
  5. Step 5: Solve for x
    x = 63,154,256.77/7,603.87
  6. Step 6: Final answer
    x = 8,305.54

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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.