Home / 9,347.96-12,900.60-5,370.32

Finding the Fourth Proportional to 9,347.96, 12,900.60 and 5,370.32

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Solution

The fourth proportional to 9,347.96, 12,900.60 and 5,370.32 is: 7,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347.96 : 12,900.60 = 5,370.32 : x
  2. Step 2: Convert to fraction form
    9,347.96/12,900.60 = 5,370.32/x
  3. Step 3: Cross multiply
    9,347.96x = 12,900.60 × 5,370.32
  4. Step 4: Simplify right side
    9,347.96x = 69,280,382.44
  5. Step 5: Solve for x
    x = 69,280,382.44/9,347.96
  6. Step 6: Final answer
    x = 7,411.28

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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.