Home / 8,635.09-11,915.58-4,858.17

Finding the Fourth Proportional to 8,635.09, 11,915.58 and 4,858.17

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Solution

The fourth proportional to 8,635.09, 11,915.58 and 4,858.17 is: 6,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.09 : 11,915.58 = 4,858.17 : x
  2. Step 2: Convert to fraction form
    8,635.09/11,915.58 = 4,858.17/x
  3. Step 3: Cross multiply
    8,635.09x = 11,915.58 × 4,858.17
  4. Step 4: Simplify right side
    8,635.09x = 57,887,926.52
  5. Step 5: Solve for x
    x = 57,887,926.52/8,635.09
  6. Step 6: Final answer
    x = 6,703.80

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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.