Home / 10,675.84-14,747.60-10,115.36

Finding the Fourth Proportional to 10,675.84, 14,747.60 and 10,115.36

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Solution

The fourth proportional to 10,675.84, 14,747.60 and 10,115.36 is: 13,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675.84 : 14,747.60 = 10,115.36 : x
  2. Step 2: Convert to fraction form
    10,675.84/14,747.60 = 10,115.36/x
  3. Step 3: Cross multiply
    10,675.84x = 14,747.60 × 10,115.36
  4. Step 4: Simplify right side
    10,675.84x = 149,177,283.14
  5. Step 5: Solve for x
    x = 149,177,283.14/10,675.84
  6. Step 6: Final answer
    x = 13,973.35

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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.