Home / 10,054.84-13,866.59-6,278.35

Finding the Fourth Proportional to 10,054.84, 13,866.59 and 6,278.35

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Solution

The fourth proportional to 10,054.84, 13,866.59 and 6,278.35 is: 8,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.84 : 13,866.59 = 6,278.35 : x
  2. Step 2: Convert to fraction form
    10,054.84/13,866.59 = 6,278.35/x
  3. Step 3: Cross multiply
    10,054.84x = 13,866.59 × 6,278.35
  4. Step 4: Simplify right side
    10,054.84x = 87,059,305.33
  5. Step 5: Solve for x
    x = 87,059,305.33/10,054.84
  6. Step 6: Final answer
    x = 8,658.45

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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.