Home / 10,204.51-14,078.60-6,669.76

Finding the Fourth Proportional to 10,204.51, 14,078.60 and 6,669.76

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Solution

The fourth proportional to 10,204.51, 14,078.60 and 6,669.76 is: 9,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.51 : 14,078.60 = 6,669.76 : x
  2. Step 2: Convert to fraction form
    10,204.51/14,078.60 = 6,669.76/x
  3. Step 3: Cross multiply
    10,204.51x = 14,078.60 × 6,669.76
  4. Step 4: Simplify right side
    10,204.51x = 93,900,779.39
  5. Step 5: Solve for x
    x = 93,900,779.39/10,204.51
  6. Step 6: Final answer
    x = 9,201.89

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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.