Home / 10,397.16-14,347.40-5,921.37

Finding the Fourth Proportional to 10,397.16, 14,347.40 and 5,921.37

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Solution

The fourth proportional to 10,397.16, 14,347.40 and 5,921.37 is: 8,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.16 : 14,347.40 = 5,921.37 : x
  2. Step 2: Convert to fraction form
    10,397.16/14,347.40 = 5,921.37/x
  3. Step 3: Cross multiply
    10,397.16x = 14,347.40 × 5,921.37
  4. Step 4: Simplify right side
    10,397.16x = 84,956,234.33
  5. Step 5: Solve for x
    x = 84,956,234.33/10,397.16
  6. Step 6: Final answer
    x = 8,171.10

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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.