Home / 9,199.74-12,695.52-5,423.07

Finding the Fourth Proportional to 9,199.74, 12,695.52 and 5,423.07

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Solution

The fourth proportional to 9,199.74, 12,695.52 and 5,423.07 is: 7,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.74 : 12,695.52 = 5,423.07 : x
  2. Step 2: Convert to fraction form
    9,199.74/12,695.52 = 5,423.07/x
  3. Step 3: Cross multiply
    9,199.74x = 12,695.52 × 5,423.07
  4. Step 4: Simplify right side
    9,199.74x = 68,848,693.65
  5. Step 5: Solve for x
    x = 68,848,693.65/9,199.74
  6. Step 6: Final answer
    x = 7,483.77

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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.