Home / 10,347.75-14,280.20-5,632.34

Finding the Fourth Proportional to 10,347.75, 14,280.20 and 5,632.34

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Solution

The fourth proportional to 10,347.75, 14,280.20 and 5,632.34 is: 7,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.75 : 14,280.20 = 5,632.34 : x
  2. Step 2: Convert to fraction form
    10,347.75/14,280.20 = 5,632.34/x
  3. Step 3: Cross multiply
    10,347.75x = 14,280.20 × 5,632.34
  4. Step 4: Simplify right side
    10,347.75x = 80,430,863.23
  5. Step 5: Solve for x
    x = 80,430,863.23/10,347.75
  6. Step 6: Final answer
    x = 7,772.79

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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.