Home / 7,702.52-10,631.13-4,868.09

Finding the Fourth Proportional to 7,702.52, 10,631.13 and 4,868.09

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Solution

The fourth proportional to 7,702.52, 10,631.13 and 4,868.09 is: 6,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.52 : 10,631.13 = 4,868.09 : x
  2. Step 2: Convert to fraction form
    7,702.52/10,631.13 = 4,868.09/x
  3. Step 3: Cross multiply
    7,702.52x = 10,631.13 × 4,868.09
  4. Step 4: Simplify right side
    7,702.52x = 51,753,266.10
  5. Step 5: Solve for x
    x = 51,753,266.10/7,702.52
  6. Step 6: Final answer
    x = 6,719.00

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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.