Home / 7,070.09-9,756.86-4,237.92

Finding the Fourth Proportional to 7,070.09, 9,756.86 and 4,237.92

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Solution

The fourth proportional to 7,070.09, 9,756.86 and 4,237.92 is: 5,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.09 : 9,756.86 = 4,237.92 : x
  2. Step 2: Convert to fraction form
    7,070.09/9,756.86 = 4,237.92/x
  3. Step 3: Cross multiply
    7,070.09x = 9,756.86 × 4,237.92
  4. Step 4: Simplify right side
    7,070.09x = 41,348,770.94
  5. Step 5: Solve for x
    x = 41,348,770.94/7,070.09
  6. Step 6: Final answer
    x = 5,848.41

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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.