Home / 8,970.91-13,457.93-3,047.18

Finding the Fourth Proportional to 8,970.91, 13,457.93 and 3,047.18

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Solution

The fourth proportional to 8,970.91, 13,457.93 and 3,047.18 is: 4,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.91 : 13,457.93 = 3,047.18 : x
  2. Step 2: Convert to fraction form
    8,970.91/13,457.93 = 3,047.18/x
  3. Step 3: Cross multiply
    8,970.91x = 13,457.93 × 3,047.18
  4. Step 4: Simplify right side
    8,970.91x = 41,008,652.61
  5. Step 5: Solve for x
    x = 41,008,652.61/8,970.91
  6. Step 6: Final answer
    x = 4,571.29

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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.