Home / 9,428.58-13,012.66-5,702.58

Finding the Fourth Proportional to 9,428.58, 13,012.66 and 5,702.58

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Solution

The fourth proportional to 9,428.58, 13,012.66 and 5,702.58 is: 7,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.58 : 13,012.66 = 5,702.58 : x
  2. Step 2: Convert to fraction form
    9,428.58/13,012.66 = 5,702.58/x
  3. Step 3: Cross multiply
    9,428.58x = 13,012.66 × 5,702.58
  4. Step 4: Simplify right side
    9,428.58x = 74,205,734.66
  5. Step 5: Solve for x
    x = 74,205,734.66/9,428.58
  6. Step 6: Final answer
    x = 7,870.30

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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.