Home / 7,725.06-10,656.36-4,887.24

Finding the Fourth Proportional to 7,725.06, 10,656.36 and 4,887.24

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Solution

The fourth proportional to 7,725.06, 10,656.36 and 4,887.24 is: 6,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.06 : 10,656.36 = 4,887.24 : x
  2. Step 2: Convert to fraction form
    7,725.06/10,656.36 = 4,887.24/x
  3. Step 3: Cross multiply
    7,725.06x = 10,656.36 × 4,887.24
  4. Step 4: Simplify right side
    7,725.06x = 52,080,188.85
  5. Step 5: Solve for x
    x = 52,080,188.85/7,725.06
  6. Step 6: Final answer
    x = 6,741.72

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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.