Home / 11,075.40-16,613.10-5,803.20

Finding the Fourth Proportional to 11,075.40, 16,613.10 and 5,803.20

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Solution

The fourth proportional to 11,075.40, 16,613.10 and 5,803.20 is: 8,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.40 : 16,613.10 = 5,803.20 : x
  2. Step 2: Convert to fraction form
    11,075.40/16,613.10 = 5,803.20/x
  3. Step 3: Cross multiply
    11,075.40x = 16,613.10 × 5,803.20
  4. Step 4: Simplify right side
    11,075.40x = 96,409,141.92
  5. Step 5: Solve for x
    x = 96,409,141.92/11,075.40
  6. Step 6: Final answer
    x = 8,704.80

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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.