Home / 7,331.94-10,117.98-4,188.06

Finding the Fourth Proportional to 7,331.94, 10,117.98 and 4,188.06

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Solution

The fourth proportional to 7,331.94, 10,117.98 and 4,188.06 is: 5,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.94 : 10,117.98 = 4,188.06 : x
  2. Step 2: Convert to fraction form
    7,331.94/10,117.98 = 4,188.06/x
  3. Step 3: Cross multiply
    7,331.94x = 10,117.98 × 4,188.06
  4. Step 4: Simplify right side
    7,331.94x = 42,374,707.32
  5. Step 5: Solve for x
    x = 42,374,707.32/7,331.94
  6. Step 6: Final answer
    x = 5,779.47

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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.