Home / 8,336.39-12,509.51-3,075.08

Finding the Fourth Proportional to 8,336.39, 12,509.51 and 3,075.08

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Solution

The fourth proportional to 8,336.39, 12,509.51 and 3,075.08 is: 4,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.39 : 12,509.51 = 3,075.08 : x
  2. Step 2: Convert to fraction form
    8,336.39/12,509.51 = 3,075.08/x
  3. Step 3: Cross multiply
    8,336.39x = 12,509.51 × 3,075.08
  4. Step 4: Simplify right side
    8,336.39x = 38,467,666.09
  5. Step 5: Solve for x
    x = 38,467,666.09/8,336.39
  6. Step 6: Final answer
    x = 4,614.43

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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.