Home / 12,050.44-18,075.72-7,916.68

Finding the Fourth Proportional to 12,050.44, 18,075.72 and 7,916.68

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Solution

The fourth proportional to 12,050.44, 18,075.72 and 7,916.68 is: 11,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.44 : 18,075.72 = 7,916.68 : x
  2. Step 2: Convert to fraction form
    12,050.44/18,075.72 = 7,916.68/x
  3. Step 3: Cross multiply
    12,050.44x = 18,075.72 × 7,916.68
  4. Step 4: Simplify right side
    12,050.44x = 143,099,691.01
  5. Step 5: Solve for x
    x = 143,099,691.01/12,050.44
  6. Step 6: Final answer
    x = 11,875.06

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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.