Home / 8,753.53-12,075.96-5,395.12

Finding the Fourth Proportional to 8,753.53, 12,075.96 and 5,395.12

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Solution

The fourth proportional to 8,753.53, 12,075.96 and 5,395.12 is: 7,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.53 : 12,075.96 = 5,395.12 : x
  2. Step 2: Convert to fraction form
    8,753.53/12,075.96 = 5,395.12/x
  3. Step 3: Cross multiply
    8,753.53x = 12,075.96 × 5,395.12
  4. Step 4: Simplify right side
    8,753.53x = 65,151,223.13
  5. Step 5: Solve for x
    x = 65,151,223.13/8,753.53
  6. Step 6: Final answer
    x = 7,442.85

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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.