Home / 7,927.32-11,904.48-6,609.72

Finding the Fourth Proportional to 7,927.32, 11,904.48 and 6,609.72

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Solution

The fourth proportional to 7,927.32, 11,904.48 and 6,609.72 is: 9,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.32 : 11,904.48 = 6,609.72 : x
  2. Step 2: Convert to fraction form
    7,927.32/11,904.48 = 6,609.72/x
  3. Step 3: Cross multiply
    7,927.32x = 11,904.48 × 6,609.72
  4. Step 4: Simplify right side
    7,927.32x = 78,685,279.55
  5. Step 5: Solve for x
    x = 78,685,279.55/7,927.32
  6. Step 6: Final answer
    x = 9,925.84

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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.