Home / 7,120.04-10,670.36-4,518.32

Finding the Fourth Proportional to 7,120.04, 10,670.36 and 4,518.32

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Solution

The fourth proportional to 7,120.04, 10,670.36 and 4,518.32 is: 6,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.04 : 10,670.36 = 4,518.32 : x
  2. Step 2: Convert to fraction form
    7,120.04/10,670.36 = 4,518.32/x
  3. Step 3: Cross multiply
    7,120.04x = 10,670.36 × 4,518.32
  4. Step 4: Simplify right side
    7,120.04x = 48,212,101.00
  5. Step 5: Solve for x
    x = 48,212,101.00/7,120.04
  6. Step 6: Final answer
    x = 6,771.32

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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.