Home / 10,749.94-16,126.80-4,907.14

Finding the Fourth Proportional to 10,749.94, 16,126.80 and 4,907.14

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Solution

The fourth proportional to 10,749.94, 16,126.80 and 4,907.14 is: 7,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.94 : 16,126.80 = 4,907.14 : x
  2. Step 2: Convert to fraction form
    10,749.94/16,126.80 = 4,907.14/x
  3. Step 3: Cross multiply
    10,749.94x = 16,126.80 × 4,907.14
  4. Step 4: Simplify right side
    10,749.94x = 79,136,465.35
  5. Step 5: Solve for x
    x = 79,136,465.35/10,749.94
  6. Step 6: Final answer
    x = 7,361.57

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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.