Home / 10,271.13-14,174.16-5,555.41

Finding the Fourth Proportional to 10,271.13, 14,174.16 and 5,555.41

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Solution

The fourth proportional to 10,271.13, 14,174.16 and 5,555.41 is: 7,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.13 : 14,174.16 = 5,555.41 : x
  2. Step 2: Convert to fraction form
    10,271.13/14,174.16 = 5,555.41/x
  3. Step 3: Cross multiply
    10,271.13x = 14,174.16 × 5,555.41
  4. Step 4: Simplify right side
    10,271.13x = 78,743,270.21
  5. Step 5: Solve for x
    x = 78,743,270.21/10,271.13
  6. Step 6: Final answer
    x = 7,666.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.