Home / 11,232.84-15,501.14-6,128.32

Finding the Fourth Proportional to 11,232.84, 15,501.14 and 6,128.32

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Solution

The fourth proportional to 11,232.84, 15,501.14 and 6,128.32 is: 8,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.84 : 15,501.14 = 6,128.32 : x
  2. Step 2: Convert to fraction form
    11,232.84/15,501.14 = 6,128.32/x
  3. Step 3: Cross multiply
    11,232.84x = 15,501.14 × 6,128.32
  4. Step 4: Simplify right side
    11,232.84x = 94,995,946.28
  5. Step 5: Solve for x
    x = 94,995,946.28/11,232.84
  6. Step 6: Final answer
    x = 8,456.98

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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.