Home / 7,116.55-10,669.30-4,612.45

Finding the Fourth Proportional to 7,116.55, 10,669.30 and 4,612.45

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Solution

The fourth proportional to 7,116.55, 10,669.30 and 4,612.45 is: 6,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.55 : 10,669.30 = 4,612.45 : x
  2. Step 2: Convert to fraction form
    7,116.55/10,669.30 = 4,612.45/x
  3. Step 3: Cross multiply
    7,116.55x = 10,669.30 × 4,612.45
  4. Step 4: Simplify right side
    7,116.55x = 49,211,601.25
  5. Step 5: Solve for x
    x = 49,211,601.25/7,116.55
  6. Step 6: Final answer
    x = 6,915.09

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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.