Home / 7,430.51-11,142.71-4,653.02

Finding the Fourth Proportional to 7,430.51, 11,142.71 and 4,653.02

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Solution

The fourth proportional to 7,430.51, 11,142.71 and 4,653.02 is: 6,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.51 : 11,142.71 = 4,653.02 : x
  2. Step 2: Convert to fraction form
    7,430.51/11,142.71 = 4,653.02/x
  3. Step 3: Cross multiply
    7,430.51x = 11,142.71 × 4,653.02
  4. Step 4: Simplify right side
    7,430.51x = 51,847,173.51
  5. Step 5: Solve for x
    x = 51,847,173.51/7,430.51
  6. Step 6: Final answer
    x = 6,977.61

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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.