Home / 7,555.78-10,426.98-4,411.36

Finding the Fourth Proportional to 7,555.78, 10,426.98 and 4,411.36

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Solution

The fourth proportional to 7,555.78, 10,426.98 and 4,411.36 is: 6,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.78 : 10,426.98 = 4,411.36 : x
  2. Step 2: Convert to fraction form
    7,555.78/10,426.98 = 4,411.36/x
  3. Step 3: Cross multiply
    7,555.78x = 10,426.98 × 4,411.36
  4. Step 4: Simplify right side
    7,555.78x = 45,997,162.49
  5. Step 5: Solve for x
    x = 45,997,162.49/7,555.78
  6. Step 6: Final answer
    x = 6,087.68

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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.