Home / 7,946.46-11,925.12-5,316.96

Finding the Fourth Proportional to 7,946.46, 11,925.12 and 5,316.96

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Solution

The fourth proportional to 7,946.46, 11,925.12 and 5,316.96 is: 7,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.46 : 11,925.12 = 5,316.96 : x
  2. Step 2: Convert to fraction form
    7,946.46/11,925.12 = 5,316.96/x
  3. Step 3: Cross multiply
    7,946.46x = 11,925.12 × 5,316.96
  4. Step 4: Simplify right side
    7,946.46x = 63,405,386.04
  5. Step 5: Solve for x
    x = 63,405,386.04/7,946.46
  6. Step 6: Final answer
    x = 7,979.07

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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.