Home / 10,733.60-16,100.40-9,783.20

Finding the Fourth Proportional to 10,733.60, 16,100.40 and 9,783.20

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Solution

The fourth proportional to 10,733.60, 16,100.40 and 9,783.20 is: 14,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,733.60 : 16,100.40 = 9,783.20 : x
  2. Step 2: Convert to fraction form
    10,733.60/16,100.40 = 9,783.20/x
  3. Step 3: Cross multiply
    10,733.60x = 16,100.40 × 9,783.20
  4. Step 4: Simplify right side
    10,733.60x = 157,513,433.28
  5. Step 5: Solve for x
    x = 157,513,433.28/10,733.60
  6. Step 6: Final answer
    x = 14,674.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.