Home / 10,370.88-15,549.84-4,820.80

Finding the Fourth Proportional to 10,370.88, 15,549.84 and 4,820.80

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Solution

The fourth proportional to 10,370.88, 15,549.84 and 4,820.80 is: 7,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.88 : 15,549.84 = 4,820.80 : x
  2. Step 2: Convert to fraction form
    10,370.88/15,549.84 = 4,820.80/x
  3. Step 3: Cross multiply
    10,370.88x = 15,549.84 × 4,820.80
  4. Step 4: Simplify right side
    10,370.88x = 74,962,668.67
  5. Step 5: Solve for x
    x = 74,962,668.67/10,370.88
  6. Step 6: Final answer
    x = 7,228.19

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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.