Home / 7,470.42-11,183.55-6,547.72

Finding the Fourth Proportional to 7,470.42, 11,183.55 and 6,547.72

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Solution

The fourth proportional to 7,470.42, 11,183.55 and 6,547.72 is: 9,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.42 : 11,183.55 = 6,547.72 : x
  2. Step 2: Convert to fraction form
    7,470.42/11,183.55 = 6,547.72/x
  3. Step 3: Cross multiply
    7,470.42x = 11,183.55 × 6,547.72
  4. Step 4: Simplify right side
    7,470.42x = 73,226,754.01
  5. Step 5: Solve for x
    x = 73,226,754.01/7,470.42
  6. Step 6: Final answer
    x = 9,802.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.