Home / 10,323.60-14,246.14-5,607.78

Finding the Fourth Proportional to 10,323.60, 14,246.14 and 5,607.78

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Solution

The fourth proportional to 10,323.60, 14,246.14 and 5,607.78 is: 7,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.60 : 14,246.14 = 5,607.78 : x
  2. Step 2: Convert to fraction form
    10,323.60/14,246.14 = 5,607.78/x
  3. Step 3: Cross multiply
    10,323.60x = 14,246.14 × 5,607.78
  4. Step 4: Simplify right side
    10,323.60x = 79,889,218.97
  5. Step 5: Solve for x
    x = 79,889,218.97/10,323.60
  6. Step 6: Final answer
    x = 7,738.50

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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.