Home / 10,304.39-14,220.07-5,588.68

Finding the Fourth Proportional to 10,304.39, 14,220.07 and 5,588.68

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Solution

The fourth proportional to 10,304.39, 14,220.07 and 5,588.68 is: 7,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.39 : 14,220.07 = 5,588.68 : x
  2. Step 2: Convert to fraction form
    10,304.39/14,220.07 = 5,588.68/x
  3. Step 3: Cross multiply
    10,304.39x = 14,220.07 × 5,588.68
  4. Step 4: Simplify right side
    10,304.39x = 79,471,349.71
  5. Step 5: Solve for x
    x = 79,471,349.71/10,304.39
  6. Step 6: Final answer
    x = 7,712.38

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Half scale
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Double scale
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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.