Home / 7,974.86-11,005.47-4,437.99

Finding the Fourth Proportional to 7,974.86, 11,005.47 and 4,437.99

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Solution

The fourth proportional to 7,974.86, 11,005.47 and 4,437.99 is: 6,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.86 : 11,005.47 = 4,437.99 : x
  2. Step 2: Convert to fraction form
    7,974.86/11,005.47 = 4,437.99/x
  3. Step 3: Cross multiply
    7,974.86x = 11,005.47 × 4,437.99
  4. Step 4: Simplify right side
    7,974.86x = 48,842,165.81
  5. Step 5: Solve for x
    x = 48,842,165.81/7,974.86
  6. Step 6: Final answer
    x = 6,124.52

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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.