Home / 8,485.52-11,702.32-5,299.10

Finding the Fourth Proportional to 8,485.52, 11,702.32 and 5,299.10

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Solution

The fourth proportional to 8,485.52, 11,702.32 and 5,299.10 is: 7,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.52 : 11,702.32 = 5,299.10 : x
  2. Step 2: Convert to fraction form
    8,485.52/11,702.32 = 5,299.10/x
  3. Step 3: Cross multiply
    8,485.52x = 11,702.32 × 5,299.10
  4. Step 4: Simplify right side
    8,485.52x = 62,011,779.92
  5. Step 5: Solve for x
    x = 62,011,779.92/8,485.52
  6. Step 6: Final answer
    x = 7,307.96

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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.