Home / 12,712.05-19,075.37-6,875.19

Finding the Fourth Proportional to 12,712.05, 19,075.37 and 6,875.19

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Solution

The fourth proportional to 12,712.05, 19,075.37 and 6,875.19 is: 10,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.05 : 19,075.37 = 6,875.19 : x
  2. Step 2: Convert to fraction form
    12,712.05/19,075.37 = 6,875.19/x
  3. Step 3: Cross multiply
    12,712.05x = 19,075.37 × 6,875.19
  4. Step 4: Simplify right side
    12,712.05x = 131,146,758.69
  5. Step 5: Solve for x
    x = 131,146,758.69/12,712.05
  6. Step 6: Final answer
    x = 10,316.73

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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.