Home / 10,069.57-13,885.17-6,291.35

Finding the Fourth Proportional to 10,069.57, 13,885.17 and 6,291.35

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Solution

The fourth proportional to 10,069.57, 13,885.17 and 6,291.35 is: 8,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.57 : 13,885.17 = 6,291.35 : x
  2. Step 2: Convert to fraction form
    10,069.57/13,885.17 = 6,291.35/x
  3. Step 3: Cross multiply
    10,069.57x = 13,885.17 × 6,291.35
  4. Step 4: Simplify right side
    10,069.57x = 87,356,432.82
  5. Step 5: Solve for x
    x = 87,356,432.82/10,069.57
  6. Step 6: Final answer
    x = 8,675.29

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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.