Home / 15,122.16-22,686.21-5,261.76

Finding the Fourth Proportional to 15,122.16, 22,686.21 and 5,261.76

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Solution

The fourth proportional to 15,122.16, 22,686.21 and 5,261.76 is: 7,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.16 : 22,686.21 = 5,261.76 : x
  2. Step 2: Convert to fraction form
    15,122.16/22,686.21 = 5,261.76/x
  3. Step 3: Cross multiply
    15,122.16x = 22,686.21 × 5,261.76
  4. Step 4: Simplify right side
    15,122.16x = 119,369,392.33
  5. Step 5: Solve for x
    x = 119,369,392.33/15,122.16
  6. Step 6: Final answer
    x = 7,893.67

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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.