Home / 11,075.92-15,284.13-6,359.89

Finding the Fourth Proportional to 11,075.92, 15,284.13 and 6,359.89

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Solution

The fourth proportional to 11,075.92, 15,284.13 and 6,359.89 is: 8,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.92 : 15,284.13 = 6,359.89 : x
  2. Step 2: Convert to fraction form
    11,075.92/15,284.13 = 6,359.89/x
  3. Step 3: Cross multiply
    11,075.92x = 15,284.13 × 6,359.89
  4. Step 4: Simplify right side
    11,075.92x = 97,205,385.55
  5. Step 5: Solve for x
    x = 97,205,385.55/11,075.92
  6. Step 6: Final answer
    x = 8,776.28

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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.