Home / 12,410.07-17,117.24-8,159.76

Finding the Fourth Proportional to 12,410.07, 17,117.24 and 8,159.76

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Solution

The fourth proportional to 12,410.07, 17,117.24 and 8,159.76 is: 11,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.07 : 17,117.24 = 8,159.76 : x
  2. Step 2: Convert to fraction form
    12,410.07/17,117.24 = 8,159.76/x
  3. Step 3: Cross multiply
    12,410.07x = 17,117.24 × 8,159.76
  4. Step 4: Simplify right side
    12,410.07x = 139,672,529.46
  5. Step 5: Solve for x
    x = 139,672,529.46/12,410.07
  6. Step 6: Final answer
    x = 11,254.77

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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.