Home / 10,258.83-14,157.18-5,543.11

Finding the Fourth Proportional to 10,258.83, 14,157.18 and 5,543.11

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Solution

The fourth proportional to 10,258.83, 14,157.18 and 5,543.11 is: 7,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.83 : 14,157.18 = 5,543.11 : x
  2. Step 2: Convert to fraction form
    10,258.83/14,157.18 = 5,543.11/x
  3. Step 3: Cross multiply
    10,258.83x = 14,157.18 × 5,543.11
  4. Step 4: Simplify right side
    10,258.83x = 78,474,735.24
  5. Step 5: Solve for x
    x = 78,474,735.24/10,258.83
  6. Step 6: Final answer
    x = 7,649.49

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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.