Home / 10,370.48-15,555.08-4,214.32

Finding the Fourth Proportional to 10,370.48, 15,555.08 and 4,214.32

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Solution

The fourth proportional to 10,370.48, 15,555.08 and 4,214.32 is: 6,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.48 : 15,555.08 = 4,214.32 : x
  2. Step 2: Convert to fraction form
    10,370.48/15,555.08 = 4,214.32/x
  3. Step 3: Cross multiply
    10,370.48x = 15,555.08 × 4,214.32
  4. Step 4: Simplify right side
    10,370.48x = 65,554,084.75
  5. Step 5: Solve for x
    x = 65,554,084.75/10,370.48
  6. Step 6: Final answer
    x = 6,321.22

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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.