Home / 7,538.04-11,320.06-4,077.72

Finding the Fourth Proportional to 7,538.04, 11,320.06 and 4,077.72

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Solution

The fourth proportional to 7,538.04, 11,320.06 and 4,077.72 is: 6,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.04 : 11,320.06 = 4,077.72 : x
  2. Step 2: Convert to fraction form
    7,538.04/11,320.06 = 4,077.72/x
  3. Step 3: Cross multiply
    7,538.04x = 11,320.06 × 4,077.72
  4. Step 4: Simplify right side
    7,538.04x = 46,160,035.06
  5. Step 5: Solve for x
    x = 46,160,035.06/7,538.04
  6. Step 6: Final answer
    x = 6,123.61

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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.