Home / 29,313.86-43,970.40-7,127.17

Finding the Fourth Proportional to 29,313.86, 43,970.40 and 7,127.17

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Solution

The fourth proportional to 29,313.86, 43,970.40 and 7,127.17 is: 10,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.86 : 43,970.40 = 7,127.17 : x
  2. Step 2: Convert to fraction form
    29,313.86/43,970.40 = 7,127.17/x
  3. Step 3: Cross multiply
    29,313.86x = 43,970.40 × 7,127.17
  4. Step 4: Simplify right side
    29,313.86x = 313,384,515.77
  5. Step 5: Solve for x
    x = 313,384,515.77/29,313.86
  6. Step 6: Final answer
    x = 10,690.66

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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.