Home / 8,747.16-12,075.36-5,929.38

Finding the Fourth Proportional to 8,747.16, 12,075.36 and 5,929.38

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Solution

The fourth proportional to 8,747.16, 12,075.36 and 5,929.38 is: 8,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.16 : 12,075.36 = 5,929.38 : x
  2. Step 2: Convert to fraction form
    8,747.16/12,075.36 = 5,929.38/x
  3. Step 3: Cross multiply
    8,747.16x = 12,075.36 × 5,929.38
  4. Step 4: Simplify right side
    8,747.16x = 71,599,398.08
  5. Step 5: Solve for x
    x = 71,599,398.08/8,747.16
  6. Step 6: Final answer
    x = 8,185.45

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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.