Home / 10,039.79-13,866.27-6,847.64

Finding the Fourth Proportional to 10,039.79, 13,866.27 and 6,847.64

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Solution

The fourth proportional to 10,039.79, 13,866.27 and 6,847.64 is: 9,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.79 : 13,866.27 = 6,847.64 : x
  2. Step 2: Convert to fraction form
    10,039.79/13,866.27 = 6,847.64/x
  3. Step 3: Cross multiply
    10,039.79x = 13,866.27 × 6,847.64
  4. Step 4: Simplify right side
    10,039.79x = 94,951,225.10
  5. Step 5: Solve for x
    x = 94,951,225.10/10,039.79
  6. Step 6: Final answer
    x = 9,457.49

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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.