Home / 7,312.92-11,009.85-5,019.48

Finding the Fourth Proportional to 7,312.92, 11,009.85 and 5,019.48

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Solution

The fourth proportional to 7,312.92, 11,009.85 and 5,019.48 is: 7,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.92 : 11,009.85 = 5,019.48 : x
  2. Step 2: Convert to fraction form
    7,312.92/11,009.85 = 5,019.48/x
  3. Step 3: Cross multiply
    7,312.92x = 11,009.85 × 5,019.48
  4. Step 4: Simplify right side
    7,312.92x = 55,263,721.88
  5. Step 5: Solve for x
    x = 55,263,721.88/7,312.92
  6. Step 6: Final answer
    x = 7,557.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.