Home / 10,170.24-14,025.07-7,931.30

Finding the Fourth Proportional to 10,170.24, 14,025.07 and 7,931.30

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Solution

The fourth proportional to 10,170.24, 14,025.07 and 7,931.30 is: 10,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.24 : 14,025.07 = 7,931.30 : x
  2. Step 2: Convert to fraction form
    10,170.24/14,025.07 = 7,931.30/x
  3. Step 3: Cross multiply
    10,170.24x = 14,025.07 × 7,931.30
  4. Step 4: Simplify right side
    10,170.24x = 111,237,037.69
  5. Step 5: Solve for x
    x = 111,237,037.69/10,170.24
  6. Step 6: Final answer
    x = 10,937.50

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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.