Home / 7,271.51-10,912.73-4,805.46

Finding the Fourth Proportional to 7,271.51, 10,912.73 and 4,805.46

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Solution

The fourth proportional to 7,271.51, 10,912.73 and 4,805.46 is: 7,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.51 : 10,912.73 = 4,805.46 : x
  2. Step 2: Convert to fraction form
    7,271.51/10,912.73 = 4,805.46/x
  3. Step 3: Cross multiply
    7,271.51x = 10,912.73 × 4,805.46
  4. Step 4: Simplify right side
    7,271.51x = 52,440,663.48
  5. Step 5: Solve for x
    x = 52,440,663.48/7,271.51
  6. Step 6: Final answer
    x = 7,211.80

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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.