Home / 10,645.26-14,683.78-7,656.36

Finding the Fourth Proportional to 10,645.26, 14,683.78 and 7,656.36

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Solution

The fourth proportional to 10,645.26, 14,683.78 and 7,656.36 is: 10,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.26 : 14,683.78 = 7,656.36 : x
  2. Step 2: Convert to fraction form
    10,645.26/14,683.78 = 7,656.36/x
  3. Step 3: Cross multiply
    10,645.26x = 14,683.78 × 7,656.36
  4. Step 4: Simplify right side
    10,645.26x = 112,424,305.84
  5. Step 5: Solve for x
    x = 112,424,305.84/10,645.26
  6. Step 6: Final answer
    x = 10,560.97

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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.