Home / 8,070.32-11,136.54-4,485.06

Finding the Fourth Proportional to 8,070.32, 11,136.54 and 4,485.06

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Solution

The fourth proportional to 8,070.32, 11,136.54 and 4,485.06 is: 6,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.32 : 11,136.54 = 4,485.06 : x
  2. Step 2: Convert to fraction form
    8,070.32/11,136.54 = 4,485.06/x
  3. Step 3: Cross multiply
    8,070.32x = 11,136.54 × 4,485.06
  4. Step 4: Simplify right side
    8,070.32x = 49,948,041.68
  5. Step 5: Solve for x
    x = 49,948,041.68/8,070.32
  6. Step 6: Final answer
    x = 6,189.10

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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.