Home / 10,951.67-15,113.32-6,477.63

Finding the Fourth Proportional to 10,951.67, 15,113.32 and 6,477.63

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Solution

The fourth proportional to 10,951.67, 15,113.32 and 6,477.63 is: 8,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.67 : 15,113.32 = 6,477.63 : x
  2. Step 2: Convert to fraction form
    10,951.67/15,113.32 = 6,477.63/x
  3. Step 3: Cross multiply
    10,951.67x = 15,113.32 × 6,477.63
  4. Step 4: Simplify right side
    10,951.67x = 97,898,495.03
  5. Step 5: Solve for x
    x = 97,898,495.03/10,951.67
  6. Step 6: Final answer
    x = 8,939.14

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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.