Home / 11,349.03-15,661.98-6,313.41

Finding the Fourth Proportional to 11,349.03, 15,661.98 and 6,313.41

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Solution

The fourth proportional to 11,349.03, 15,661.98 and 6,313.41 is: 8,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.03 : 15,661.98 = 6,313.41 : x
  2. Step 2: Convert to fraction form
    11,349.03/15,661.98 = 6,313.41/x
  3. Step 3: Cross multiply
    11,349.03x = 15,661.98 × 6,313.41
  4. Step 4: Simplify right side
    11,349.03x = 98,880,501.15
  5. Step 5: Solve for x
    x = 98,880,501.15/11,349.03
  6. Step 6: Final answer
    x = 8,712.68

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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.