Home / 9,075.24-12,528.72-6,244.20

Finding the Fourth Proportional to 9,075.24, 12,528.72 and 6,244.20

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Solution

The fourth proportional to 9,075.24, 12,528.72 and 6,244.20 is: 8,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.24 : 12,528.72 = 6,244.20 : x
  2. Step 2: Convert to fraction form
    9,075.24/12,528.72 = 6,244.20/x
  3. Step 3: Cross multiply
    9,075.24x = 12,528.72 × 6,244.20
  4. Step 4: Simplify right side
    9,075.24x = 78,231,833.42
  5. Step 5: Solve for x
    x = 78,231,833.42/9,075.24
  6. Step 6: Final answer
    x = 8,620.36

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Half scale
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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.