Home / 10,230.24-14,116.32-6,698.40

Finding the Fourth Proportional to 10,230.24, 14,116.32 and 6,698.40

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Solution

The fourth proportional to 10,230.24, 14,116.32 and 6,698.40 is: 9,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.24 : 14,116.32 = 6,698.40 : x
  2. Step 2: Convert to fraction form
    10,230.24/14,116.32 = 6,698.40/x
  3. Step 3: Cross multiply
    10,230.24x = 14,116.32 × 6,698.40
  4. Step 4: Simplify right side
    10,230.24x = 94,556,757.89
  5. Step 5: Solve for x
    x = 94,556,757.89/10,230.24
  6. Step 6: Final answer
    x = 9,242.87

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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.