Home / 8,457.14-11,670.06-5,726.12

Finding the Fourth Proportional to 8,457.14, 11,670.06 and 5,726.12

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Solution

The fourth proportional to 8,457.14, 11,670.06 and 5,726.12 is: 7,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.14 : 11,670.06 = 5,726.12 : x
  2. Step 2: Convert to fraction form
    8,457.14/11,670.06 = 5,726.12/x
  3. Step 3: Cross multiply
    8,457.14x = 11,670.06 × 5,726.12
  4. Step 4: Simplify right side
    8,457.14x = 66,824,076.99
  5. Step 5: Solve for x
    x = 66,824,076.99/8,457.14
  6. Step 6: Final answer
    x = 7,901.50

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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.