Home / 9,426.94-13,009.21-5,235.19

Finding the Fourth Proportional to 9,426.94, 13,009.21 and 5,235.19

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Solution

The fourth proportional to 9,426.94, 13,009.21 and 5,235.19 is: 7,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.94 : 13,009.21 = 5,235.19 : x
  2. Step 2: Convert to fraction form
    9,426.94/13,009.21 = 5,235.19/x
  3. Step 3: Cross multiply
    9,426.94x = 13,009.21 × 5,235.19
  4. Step 4: Simplify right side
    9,426.94x = 68,105,640.49
  5. Step 5: Solve for x
    x = 68,105,640.49/9,426.94
  6. Step 6: Final answer
    x = 7,224.58

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Double scale
Find fourth proportional to 9,427.94, 13,010.59 and 5,236.19
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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.