Home / 10,176.08-15,264.32-6,688.32

Finding the Fourth Proportional to 10,176.08, 15,264.32 and 6,688.32

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Solution

The fourth proportional to 10,176.08, 15,264.32 and 6,688.32 is: 10,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.08 : 15,264.32 = 6,688.32 : x
  2. Step 2: Convert to fraction form
    10,176.08/15,264.32 = 6,688.32/x
  3. Step 3: Cross multiply
    10,176.08x = 15,264.32 × 6,688.32
  4. Step 4: Simplify right side
    10,176.08x = 102,092,656.74
  5. Step 5: Solve for x
    x = 102,092,656.74/10,176.08
  6. Step 6: Final answer
    x = 10,032.61

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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.