Home / 12,074.05-16,670.28-7,543.63

Finding the Fourth Proportional to 12,074.05, 16,670.28 and 7,543.63

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Solution

The fourth proportional to 12,074.05, 16,670.28 and 7,543.63 is: 10,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.05 : 16,670.28 = 7,543.63 : x
  2. Step 2: Convert to fraction form
    12,074.05/16,670.28 = 7,543.63/x
  3. Step 3: Cross multiply
    12,074.05x = 16,670.28 × 7,543.63
  4. Step 4: Simplify right side
    12,074.05x = 125,754,452.23
  5. Step 5: Solve for x
    x = 125,754,452.23/12,074.05
  6. Step 6: Final answer
    x = 10,415.27

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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.