Home / 7,972.08-11,946.78-5,875.62

Finding the Fourth Proportional to 7,972.08, 11,946.78 and 5,875.62

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Solution

The fourth proportional to 7,972.08, 11,946.78 and 5,875.62 is: 8,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.08 : 11,946.78 = 5,875.62 : x
  2. Step 2: Convert to fraction form
    7,972.08/11,946.78 = 5,875.62/x
  3. Step 3: Cross multiply
    7,972.08x = 11,946.78 × 5,875.62
  4. Step 4: Simplify right side
    7,972.08x = 70,194,739.50
  5. Step 5: Solve for x
    x = 70,194,739.50/7,972.08
  6. Step 6: Final answer
    x = 8,805.07

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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.