Home / 10,932.34-16,398.50-4,688.32

Finding the Fourth Proportional to 10,932.34, 16,398.50 and 4,688.32

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Solution

The fourth proportional to 10,932.34, 16,398.50 and 4,688.32 is: 7,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.34 : 16,398.50 = 4,688.32 : x
  2. Step 2: Convert to fraction form
    10,932.34/16,398.50 = 4,688.32/x
  3. Step 3: Cross multiply
    10,932.34x = 16,398.50 × 4,688.32
  4. Step 4: Simplify right side
    10,932.34x = 76,881,415.52
  5. Step 5: Solve for x
    x = 76,881,415.52/10,932.34
  6. Step 6: Final answer
    x = 7,032.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.