Home / 7,974.08-11,946.70-4,459.88

Finding the Fourth Proportional to 7,974.08, 11,946.70 and 4,459.88

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Solution

The fourth proportional to 7,974.08, 11,946.70 and 4,459.88 is: 6,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.08 : 11,946.70 = 4,459.88 : x
  2. Step 2: Convert to fraction form
    7,974.08/11,946.70 = 4,459.88/x
  3. Step 3: Cross multiply
    7,974.08x = 11,946.70 × 4,459.88
  4. Step 4: Simplify right side
    7,974.08x = 53,280,848.40
  5. Step 5: Solve for x
    x = 53,280,848.40/7,974.08
  6. Step 6: Final answer
    x = 6,681.75

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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.