Home / 10,085.04-13,920.48-5,894.64

Finding the Fourth Proportional to 10,085.04, 13,920.48 and 5,894.64

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Solution

The fourth proportional to 10,085.04, 13,920.48 and 5,894.64 is: 8,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.04 : 13,920.48 = 5,894.64 : x
  2. Step 2: Convert to fraction form
    10,085.04/13,920.48 = 5,894.64/x
  3. Step 3: Cross multiply
    10,085.04x = 13,920.48 × 5,894.64
  4. Step 4: Simplify right side
    10,085.04x = 82,056,218.23
  5. Step 5: Solve for x
    x = 82,056,218.23/10,085.04
  6. Step 6: Final answer
    x = 8,136.43

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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.