Home / 10,195.12-14,075.40-6,664.24

Finding the Fourth Proportional to 10,195.12, 14,075.40 and 6,664.24

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Solution

The fourth proportional to 10,195.12, 14,075.40 and 6,664.24 is: 9,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.12 : 14,075.40 = 6,664.24 : x
  2. Step 2: Convert to fraction form
    10,195.12/14,075.40 = 6,664.24/x
  3. Step 3: Cross multiply
    10,195.12x = 14,075.40 × 6,664.24
  4. Step 4: Simplify right side
    10,195.12x = 93,801,843.70
  5. Step 5: Solve for x
    x = 93,801,843.70/10,195.12
  6. Step 6: Final answer
    x = 9,200.66

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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.