Home / 10,230.78-14,113.26-6,874.32

Finding the Fourth Proportional to 10,230.78, 14,113.26 and 6,874.32

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Solution

The fourth proportional to 10,230.78, 14,113.26 and 6,874.32 is: 9,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.78 : 14,113.26 = 6,874.32 : x
  2. Step 2: Convert to fraction form
    10,230.78/14,113.26 = 6,874.32/x
  3. Step 3: Cross multiply
    10,230.78x = 14,113.26 × 6,874.32
  4. Step 4: Simplify right side
    10,230.78x = 97,019,065.48
  5. Step 5: Solve for x
    x = 97,019,065.48/10,230.78
  6. Step 6: Final answer
    x = 9,483.06

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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.