Home / 10,416.22-15,624.39-4,260.22

Finding the Fourth Proportional to 10,416.22, 15,624.39 and 4,260.22

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Solution

The fourth proportional to 10,416.22, 15,624.39 and 4,260.22 is: 6,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.22 : 15,624.39 = 4,260.22 : x
  2. Step 2: Convert to fraction form
    10,416.22/15,624.39 = 4,260.22/x
  3. Step 3: Cross multiply
    10,416.22x = 15,624.39 × 4,260.22
  4. Step 4: Simplify right side
    10,416.22x = 66,563,338.77
  5. Step 5: Solve for x
    x = 66,563,338.77/10,416.22
  6. Step 6: Final answer
    x = 6,390.35

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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.