Home / 10,457.06-15,686.01-2,666.07

Finding the Fourth Proportional to 10,457.06, 15,686.01 and 2,666.07

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Solution

The fourth proportional to 10,457.06, 15,686.01 and 2,666.07 is: 3,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.06 : 15,686.01 = 2,666.07 : x
  2. Step 2: Convert to fraction form
    10,457.06/15,686.01 = 2,666.07/x
  3. Step 3: Cross multiply
    10,457.06x = 15,686.01 × 2,666.07
  4. Step 4: Simplify right side
    10,457.06x = 41,820,000.68
  5. Step 5: Solve for x
    x = 41,820,000.68/10,457.06
  6. Step 6: Final answer
    x = 3,999.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.