Home / 10,452.55-14,430.15-8,074.84

Finding the Fourth Proportional to 10,452.55, 14,430.15 and 8,074.84

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Solution

The fourth proportional to 10,452.55, 14,430.15 and 8,074.84 is: 11,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.55 : 14,430.15 = 8,074.84 : x
  2. Step 2: Convert to fraction form
    10,452.55/14,430.15 = 8,074.84/x
  3. Step 3: Cross multiply
    10,452.55x = 14,430.15 × 8,074.84
  4. Step 4: Simplify right side
    10,452.55x = 116,521,152.43
  5. Step 5: Solve for x
    x = 116,521,152.43/10,452.55
  6. Step 6: Final answer
    x = 11,147.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.