Home / 11,541.15-15,928.14-7,065.50

Finding the Fourth Proportional to 11,541.15, 15,928.14 and 7,065.50

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Solution

The fourth proportional to 11,541.15, 15,928.14 and 7,065.50 is: 9,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.15 : 15,928.14 = 7,065.50 : x
  2. Step 2: Convert to fraction form
    11,541.15/15,928.14 = 7,065.50/x
  3. Step 3: Cross multiply
    11,541.15x = 15,928.14 × 7,065.50
  4. Step 4: Simplify right side
    11,541.15x = 112,540,220.02
  5. Step 5: Solve for x
    x = 112,540,220.02/11,541.15
  6. Step 6: Final answer
    x = 9,751.21

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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.