Home / 9,075.40-13,613.10-5,975.13

Finding the Fourth Proportional to 9,075.40, 13,613.10 and 5,975.13

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Solution

The fourth proportional to 9,075.40, 13,613.10 and 5,975.13 is: 8,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.40 : 13,613.10 = 5,975.13 : x
  2. Step 2: Convert to fraction form
    9,075.40/13,613.10 = 5,975.13/x
  3. Step 3: Cross multiply
    9,075.40x = 13,613.10 × 5,975.13
  4. Step 4: Simplify right side
    9,075.40x = 81,340,042.20
  5. Step 5: Solve for x
    x = 81,340,042.20/9,075.40
  6. Step 6: Final answer
    x = 8,962.70

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Double scale
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Similar ratio
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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.