Home / 10,421.19-15,627.05-4,495.27

Finding the Fourth Proportional to 10,421.19, 15,627.05 and 4,495.27

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Solution

The fourth proportional to 10,421.19, 15,627.05 and 4,495.27 is: 6,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.19 : 15,627.05 = 4,495.27 : x
  2. Step 2: Convert to fraction form
    10,421.19/15,627.05 = 4,495.27/x
  3. Step 3: Cross multiply
    10,421.19x = 15,627.05 × 4,495.27
  4. Step 4: Simplify right side
    10,421.19x = 70,247,786.58
  5. Step 5: Solve for x
    x = 70,247,786.58/10,421.19
  6. Step 6: Final answer
    x = 6,740.86

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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.