Home / 9,590.40-13,232.16-7,603.20

Finding the Fourth Proportional to 9,590.40, 13,232.16 and 7,603.20

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Solution

The fourth proportional to 9,590.40, 13,232.16 and 7,603.20 is: 10,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,590.40 : 13,232.16 = 7,603.20 : x
  2. Step 2: Convert to fraction form
    9,590.40/13,232.16 = 7,603.20/x
  3. Step 3: Cross multiply
    9,590.40x = 13,232.16 × 7,603.20
  4. Step 4: Simplify right side
    9,590.40x = 100,606,758.91
  5. Step 5: Solve for x
    x = 100,606,758.91/9,590.40
  6. Step 6: Final answer
    x = 10,490.36

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Half scale
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Double scale
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Similar ratio
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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.