Home / 9,671.22-13,347.41-5,423.45

Finding the Fourth Proportional to 9,671.22, 13,347.41 and 5,423.45

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Solution

The fourth proportional to 9,671.22, 13,347.41 and 5,423.45 is: 7,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.22 : 13,347.41 = 5,423.45 : x
  2. Step 2: Convert to fraction form
    9,671.22/13,347.41 = 5,423.45/x
  3. Step 3: Cross multiply
    9,671.22x = 13,347.41 × 5,423.45
  4. Step 4: Simplify right side
    9,671.22x = 72,388,916.91
  5. Step 5: Solve for x
    x = 72,388,916.91/9,671.22
  6. Step 6: Final answer
    x = 7,484.98

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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.