Home / 10,246.45-14,139.96-5,770.64

Finding the Fourth Proportional to 10,246.45, 14,139.96 and 5,770.64

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Solution

The fourth proportional to 10,246.45, 14,139.96 and 5,770.64 is: 7,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.45 : 14,139.96 = 5,770.64 : x
  2. Step 2: Convert to fraction form
    10,246.45/14,139.96 = 5,770.64/x
  3. Step 3: Cross multiply
    10,246.45x = 14,139.96 × 5,770.64
  4. Step 4: Simplify right side
    10,246.45x = 81,596,618.77
  5. Step 5: Solve for x
    x = 81,596,618.77/10,246.45
  6. Step 6: Final answer
    x = 7,963.40

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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.