Home / 6,386.48-8,816.40-3,733.04

Finding the Fourth Proportional to 6,386.48, 8,816.40 and 3,733.04

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Solution

The fourth proportional to 6,386.48, 8,816.40 and 3,733.04 is: 5,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.48 : 8,816.40 = 3,733.04 : x
  2. Step 2: Convert to fraction form
    6,386.48/8,816.40 = 3,733.04/x
  3. Step 3: Cross multiply
    6,386.48x = 8,816.40 × 3,733.04
  4. Step 4: Simplify right side
    6,386.48x = 32,911,973.86
  5. Step 5: Solve for x
    x = 32,911,973.86/6,386.48
  6. Step 6: Final answer
    x = 5,153.38

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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.