Home / 9,774.98-13,495.71-6,423.74

Finding the Fourth Proportional to 9,774.98, 13,495.71 and 6,423.74

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Solution

The fourth proportional to 9,774.98, 13,495.71 and 6,423.74 is: 8,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.98 : 13,495.71 = 6,423.74 : x
  2. Step 2: Convert to fraction form
    9,774.98/13,495.71 = 6,423.74/x
  3. Step 3: Cross multiply
    9,774.98x = 13,495.71 × 6,423.74
  4. Step 4: Simplify right side
    9,774.98x = 86,692,932.16
  5. Step 5: Solve for x
    x = 86,692,932.16/9,774.98
  6. Step 6: Final answer
    x = 8,868.86

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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.