Home / 7,557.63-11,317.59-4,775.91

Finding the Fourth Proportional to 7,557.63, 11,317.59 and 4,775.91

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Solution

The fourth proportional to 7,557.63, 11,317.59 and 4,775.91 is: 7,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.63 : 11,317.59 = 4,775.91 : x
  2. Step 2: Convert to fraction form
    7,557.63/11,317.59 = 4,775.91/x
  3. Step 3: Cross multiply
    7,557.63x = 11,317.59 × 4,775.91
  4. Step 4: Simplify right side
    7,557.63x = 54,051,837.46
  5. Step 5: Solve for x
    x = 54,051,837.46/7,557.63
  6. Step 6: Final answer
    x = 7,151.95

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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.