Home / 8,075.07-12,117.30-3,394.74

Finding the Fourth Proportional to 8,075.07, 12,117.30 and 3,394.74

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Solution

The fourth proportional to 8,075.07, 12,117.30 and 3,394.74 is: 5,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.07 : 12,117.30 = 3,394.74 : x
  2. Step 2: Convert to fraction form
    8,075.07/12,117.30 = 3,394.74/x
  3. Step 3: Cross multiply
    8,075.07x = 12,117.30 × 3,394.74
  4. Step 4: Simplify right side
    8,075.07x = 41,135,083.00
  5. Step 5: Solve for x
    x = 41,135,083.00/8,075.07
  6. Step 6: Final answer
    x = 5,094.08

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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.