Home / 7,647.34-10,557.93-4,999.18

Finding the Fourth Proportional to 7,647.34, 10,557.93 and 4,999.18

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Solution

The fourth proportional to 7,647.34, 10,557.93 and 4,999.18 is: 6,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.34 : 10,557.93 = 4,999.18 : x
  2. Step 2: Convert to fraction form
    7,647.34/10,557.93 = 4,999.18/x
  3. Step 3: Cross multiply
    7,647.34x = 10,557.93 × 4,999.18
  4. Step 4: Simplify right side
    7,647.34x = 52,780,992.50
  5. Step 5: Solve for x
    x = 52,780,992.50/7,647.34
  6. Step 6: Final answer
    x = 6,901.88

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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.