Home / 10,140.03-15,211.26-3,898.59

Finding the Fourth Proportional to 10,140.03, 15,211.26 and 3,898.59

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Solution

The fourth proportional to 10,140.03, 15,211.26 and 3,898.59 is: 5,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.03 : 15,211.26 = 3,898.59 : x
  2. Step 2: Convert to fraction form
    10,140.03/15,211.26 = 3,898.59/x
  3. Step 3: Cross multiply
    10,140.03x = 15,211.26 × 3,898.59
  4. Step 4: Simplify right side
    10,140.03x = 59,302,466.12
  5. Step 5: Solve for x
    x = 59,302,466.12/10,140.03
  6. Step 6: Final answer
    x = 5,848.35

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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.