Home / 10,571.60-14,580.60-7,217.12

Finding the Fourth Proportional to 10,571.60, 14,580.60 and 7,217.12

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Solution

The fourth proportional to 10,571.60, 14,580.60 and 7,217.12 is: 9,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.60 : 14,580.60 = 7,217.12 : x
  2. Step 2: Convert to fraction form
    10,571.60/14,580.60 = 7,217.12/x
  3. Step 3: Cross multiply
    10,571.60x = 14,580.60 × 7,217.12
  4. Step 4: Simplify right side
    10,571.60x = 105,229,939.87
  5. Step 5: Solve for x
    x = 105,229,939.87/10,571.60
  6. Step 6: Final answer
    x = 9,954.02

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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.