Home / 10,220.92-14,108.09-7,434.52

Finding the Fourth Proportional to 10,220.92, 14,108.09 and 7,434.52

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Solution

The fourth proportional to 10,220.92, 14,108.09 and 7,434.52 is: 10,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.92 : 14,108.09 = 7,434.52 : x
  2. Step 2: Convert to fraction form
    10,220.92/14,108.09 = 7,434.52/x
  3. Step 3: Cross multiply
    10,220.92x = 14,108.09 × 7,434.52
  4. Step 4: Simplify right side
    10,220.92x = 104,886,804.82
  5. Step 5: Solve for x
    x = 104,886,804.82/10,220.92
  6. Step 6: Final answer
    x = 10,261.98

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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.