Home / 7,212.96-10,810.56-5,746.08

Finding the Fourth Proportional to 7,212.96, 10,810.56 and 5,746.08

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Solution

The fourth proportional to 7,212.96, 10,810.56 and 5,746.08 is: 8,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.96 : 10,810.56 = 5,746.08 : x
  2. Step 2: Convert to fraction form
    7,212.96/10,810.56 = 5,746.08/x
  3. Step 3: Cross multiply
    7,212.96x = 10,810.56 × 5,746.08
  4. Step 4: Simplify right side
    7,212.96x = 62,118,342.60
  5. Step 5: Solve for x
    x = 62,118,342.60/7,212.96
  6. Step 6: Final answer
    x = 8,612.05

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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.