Home / 10,152.06-14,009.90-5,905.64

Finding the Fourth Proportional to 10,152.06, 14,009.90 and 5,905.64

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Solution

The fourth proportional to 10,152.06, 14,009.90 and 5,905.64 is: 8,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.06 : 14,009.90 = 5,905.64 : x
  2. Step 2: Convert to fraction form
    10,152.06/14,009.90 = 5,905.64/x
  3. Step 3: Cross multiply
    10,152.06x = 14,009.90 × 5,905.64
  4. Step 4: Simplify right side
    10,152.06x = 82,737,326.26
  5. Step 5: Solve for x
    x = 82,737,326.26/10,152.06
  6. Step 6: Final answer
    x = 8,149.81

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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.