Home / 10,531.35-14,533.40-5,815.62

Finding the Fourth Proportional to 10,531.35, 14,533.40 and 5,815.62

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Solution

The fourth proportional to 10,531.35, 14,533.40 and 5,815.62 is: 8,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.35 : 14,533.40 = 5,815.62 : x
  2. Step 2: Convert to fraction form
    10,531.35/14,533.40 = 5,815.62/x
  3. Step 3: Cross multiply
    10,531.35x = 14,533.40 × 5,815.62
  4. Step 4: Simplify right side
    10,531.35x = 84,520,746.25
  5. Step 5: Solve for x
    x = 84,520,746.25/10,531.35
  6. Step 6: Final answer
    x = 8,025.63

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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.