Home / 10,531.18-14,533.03-5,815.46

Finding the Fourth Proportional to 10,531.18, 14,533.03 and 5,815.46

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Solution

The fourth proportional to 10,531.18, 14,533.03 and 5,815.46 is: 8,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.18 : 14,533.03 = 5,815.46 : x
  2. Step 2: Convert to fraction form
    10,531.18/14,533.03 = 5,815.46/x
  3. Step 3: Cross multiply
    10,531.18x = 14,533.03 × 5,815.46
  4. Step 4: Simplify right side
    10,531.18x = 84,516,298.25
  5. Step 5: Solve for x
    x = 84,516,298.25/10,531.18
  6. Step 6: Final answer
    x = 8,025.34

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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.