Home / 8,485.53-11,702.37-5,299.11

Finding the Fourth Proportional to 8,485.53, 11,702.37 and 5,299.11

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Solution

The fourth proportional to 8,485.53, 11,702.37 and 5,299.11 is: 7,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.53 : 11,702.37 = 5,299.11 : x
  2. Step 2: Convert to fraction form
    8,485.53/11,702.37 = 5,299.11/x
  3. Step 3: Cross multiply
    8,485.53x = 11,702.37 × 5,299.11
  4. Step 4: Simplify right side
    8,485.53x = 62,012,145.89
  5. Step 5: Solve for x
    x = 62,012,145.89/8,485.53
  6. Step 6: Final answer
    x = 7,307.99

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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.