Home / 9,008.19-12,432.83-5,653.80

Finding the Fourth Proportional to 9,008.19, 12,432.83 and 5,653.80

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Solution

The fourth proportional to 9,008.19, 12,432.83 and 5,653.80 is: 7,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.19 : 12,432.83 = 5,653.80 : x
  2. Step 2: Convert to fraction form
    9,008.19/12,432.83 = 5,653.80/x
  3. Step 3: Cross multiply
    9,008.19x = 12,432.83 × 5,653.80
  4. Step 4: Simplify right side
    9,008.19x = 70,292,705.99
  5. Step 5: Solve for x
    x = 70,292,705.99/9,008.19
  6. Step 6: Final answer
    x = 7,803.20

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Half scale
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Double scale
Find fourth proportional to 9,009.19, 12,434.21 and 5,654.80
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.