Home / 12,373.62-17,075.77-6,784.50

Finding the Fourth Proportional to 12,373.62, 17,075.77 and 6,784.50

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Solution

The fourth proportional to 12,373.62, 17,075.77 and 6,784.50 is: 9,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.62 : 17,075.77 = 6,784.50 : x
  2. Step 2: Convert to fraction form
    12,373.62/17,075.77 = 6,784.50/x
  3. Step 3: Cross multiply
    12,373.62x = 17,075.77 × 6,784.50
  4. Step 4: Simplify right side
    12,373.62x = 115,850,561.57
  5. Step 5: Solve for x
    x = 115,850,561.57/12,373.62
  6. Step 6: Final answer
    x = 9,362.71

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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.