Home / 9,421.77-14,121.89-5,263.71

Finding the Fourth Proportional to 9,421.77, 14,121.89 and 5,263.71

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Solution

The fourth proportional to 9,421.77, 14,121.89 and 5,263.71 is: 7,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.77 : 14,121.89 = 5,263.71 : x
  2. Step 2: Convert to fraction form
    9,421.77/14,121.89 = 5,263.71/x
  3. Step 3: Cross multiply
    9,421.77x = 14,121.89 × 5,263.71
  4. Step 4: Simplify right side
    9,421.77x = 74,333,533.61
  5. Step 5: Solve for x
    x = 74,333,533.61/9,421.77
  6. Step 6: Final answer
    x = 7,889.55

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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.