Home / 10,427.10-15,552.80-9,701.34

Finding the Fourth Proportional to 10,427.10, 15,552.80 and 9,701.34

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Solution

The fourth proportional to 10,427.10, 15,552.80 and 9,701.34 is: 14,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.10 : 15,552.80 = 9,701.34 : x
  2. Step 2: Convert to fraction form
    10,427.10/15,552.80 = 9,701.34/x
  3. Step 3: Cross multiply
    10,427.10x = 15,552.80 × 9,701.34
  4. Step 4: Simplify right side
    10,427.10x = 150,882,952.25
  5. Step 5: Solve for x
    x = 150,882,952.25/10,427.10
  6. Step 6: Final answer
    x = 14,470.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.