Home / 9,455.39-13,044.65-5,678.76

Finding the Fourth Proportional to 9,455.39, 13,044.65 and 5,678.76

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Solution

The fourth proportional to 9,455.39, 13,044.65 and 5,678.76 is: 7,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.39 : 13,044.65 = 5,678.76 : x
  2. Step 2: Convert to fraction form
    9,455.39/13,044.65 = 5,678.76/x
  3. Step 3: Cross multiply
    9,455.39x = 13,044.65 × 5,678.76
  4. Step 4: Simplify right side
    9,455.39x = 74,077,408.24
  5. Step 5: Solve for x
    x = 74,077,408.24/9,455.39
  6. Step 6: Final answer
    x = 7,834.41

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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.