Home / 10,255.51-15,383.28-5,869.94

Finding the Fourth Proportional to 10,255.51, 15,383.28 and 5,869.94

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Solution

The fourth proportional to 10,255.51, 15,383.28 and 5,869.94 is: 8,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.51 : 15,383.28 = 5,869.94 : x
  2. Step 2: Convert to fraction form
    10,255.51/15,383.28 = 5,869.94/x
  3. Step 3: Cross multiply
    10,255.51x = 15,383.28 × 5,869.94
  4. Step 4: Simplify right side
    10,255.51x = 90,298,875.70
  5. Step 5: Solve for x
    x = 90,298,875.70/10,255.51
  6. Step 6: Final answer
    x = 8,804.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.