Home / 7,111.40-10,652.70-4,922.60

Finding the Fourth Proportional to 7,111.40, 10,652.70 and 4,922.60

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Solution

The fourth proportional to 7,111.40, 10,652.70 and 4,922.60 is: 7,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.40 : 10,652.70 = 4,922.60 : x
  2. Step 2: Convert to fraction form
    7,111.40/10,652.70 = 4,922.60/x
  3. Step 3: Cross multiply
    7,111.40x = 10,652.70 × 4,922.60
  4. Step 4: Simplify right side
    7,111.40x = 52,438,981.02
  5. Step 5: Solve for x
    x = 52,438,981.02/7,111.40
  6. Step 6: Final answer
    x = 7,373.93

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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.