Home / 7,946.10-11,931.30-6,099.30

Finding the Fourth Proportional to 7,946.10, 11,931.30 and 6,099.30

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Solution

The fourth proportional to 7,946.10, 11,931.30 and 6,099.30 is: 9,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.10 : 11,931.30 = 6,099.30 : x
  2. Step 2: Convert to fraction form
    7,946.10/11,931.30 = 6,099.30/x
  3. Step 3: Cross multiply
    7,946.10x = 11,931.30 × 6,099.30
  4. Step 4: Simplify right side
    7,946.10x = 72,772,578.09
  5. Step 5: Solve for x
    x = 72,772,578.09/7,946.10
  6. Step 6: Final answer
    x = 9,158.28

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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.