Home / 8,782.07-12,118.73-4,802.94

Finding the Fourth Proportional to 8,782.07, 12,118.73 and 4,802.94

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Solution

The fourth proportional to 8,782.07, 12,118.73 and 4,802.94 is: 6,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.07 : 12,118.73 = 4,802.94 : x
  2. Step 2: Convert to fraction form
    8,782.07/12,118.73 = 4,802.94/x
  3. Step 3: Cross multiply
    8,782.07x = 12,118.73 × 4,802.94
  4. Step 4: Simplify right side
    8,782.07x = 58,205,509.05
  5. Step 5: Solve for x
    x = 58,205,509.05/8,782.07
  6. Step 6: Final answer
    x = 6,627.77

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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.