Home / 9,702.16-13,388.52-5,510.32

Finding the Fourth Proportional to 9,702.16, 13,388.52 and 5,510.32

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Solution

The fourth proportional to 9,702.16, 13,388.52 and 5,510.32 is: 7,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702.16 : 13,388.52 = 5,510.32 : x
  2. Step 2: Convert to fraction form
    9,702.16/13,388.52 = 5,510.32/x
  3. Step 3: Cross multiply
    9,702.16x = 13,388.52 × 5,510.32
  4. Step 4: Simplify right side
    9,702.16x = 73,775,029.53
  5. Step 5: Solve for x
    x = 73,775,029.53/9,702.16
  6. Step 6: Final answer
    x = 7,603.98

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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.