Home / 10,224.80-14,106.52-6,690.08

Finding the Fourth Proportional to 10,224.80, 14,106.52 and 6,690.08

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Solution

The fourth proportional to 10,224.80, 14,106.52 and 6,690.08 is: 9,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.80 : 14,106.52 = 6,690.08 : x
  2. Step 2: Convert to fraction form
    10,224.80/14,106.52 = 6,690.08/x
  3. Step 3: Cross multiply
    10,224.80x = 14,106.52 × 6,690.08
  4. Step 4: Simplify right side
    10,224.80x = 94,373,747.32
  5. Step 5: Solve for x
    x = 94,373,747.32/10,224.80
  6. Step 6: Final answer
    x = 9,229.89

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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.