Home / 9,045.04-12,481.60-5,065.48

Finding the Fourth Proportional to 9,045.04, 12,481.60 and 5,065.48

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Solution

The fourth proportional to 9,045.04, 12,481.60 and 5,065.48 is: 6,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.04 : 12,481.60 = 5,065.48 : x
  2. Step 2: Convert to fraction form
    9,045.04/12,481.60 = 5,065.48/x
  3. Step 3: Cross multiply
    9,045.04x = 12,481.60 × 5,065.48
  4. Step 4: Simplify right side
    9,045.04x = 63,225,295.17
  5. Step 5: Solve for x
    x = 63,225,295.17/9,045.04
  6. Step 6: Final answer
    x = 6,990.05

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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.