Home / 8,485.16-11,709.38-4,759.08

Finding the Fourth Proportional to 8,485.16, 11,709.38 and 4,759.08

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Solution

The fourth proportional to 8,485.16, 11,709.38 and 4,759.08 is: 6,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.16 : 11,709.38 = 4,759.08 : x
  2. Step 2: Convert to fraction form
    8,485.16/11,709.38 = 4,759.08/x
  3. Step 3: Cross multiply
    8,485.16x = 11,709.38 × 4,759.08
  4. Step 4: Simplify right side
    8,485.16x = 55,725,876.17
  5. Step 5: Solve for x
    x = 55,725,876.17/8,485.16
  6. Step 6: Final answer
    x = 6,567.45

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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.