Home / 10,687.28-14,748.37-5,907.55

Finding the Fourth Proportional to 10,687.28, 14,748.37 and 5,907.55

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Solution

The fourth proportional to 10,687.28, 14,748.37 and 5,907.55 is: 8,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.28 : 14,748.37 = 5,907.55 : x
  2. Step 2: Convert to fraction form
    10,687.28/14,748.37 = 5,907.55/x
  3. Step 3: Cross multiply
    10,687.28x = 14,748.37 × 5,907.55
  4. Step 4: Simplify right side
    10,687.28x = 87,126,733.19
  5. Step 5: Solve for x
    x = 87,126,733.19/10,687.28
  6. Step 6: Final answer
    x = 8,152.38

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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.