Home / 9,047.44-12,485.47-5,510.65

Finding the Fourth Proportional to 9,047.44, 12,485.47 and 5,510.65

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Solution

The fourth proportional to 9,047.44, 12,485.47 and 5,510.65 is: 7,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.44 : 12,485.47 = 5,510.65 : x
  2. Step 2: Convert to fraction form
    9,047.44/12,485.47 = 5,510.65/x
  3. Step 3: Cross multiply
    9,047.44x = 12,485.47 × 5,510.65
  4. Step 4: Simplify right side
    9,047.44x = 68,803,027.70
  5. Step 5: Solve for x
    x = 68,803,027.70/9,047.44
  6. Step 6: Final answer
    x = 7,604.70

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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.