Home / 11,263.86-15,543.63-6,483.60

Finding the Fourth Proportional to 11,263.86, 15,543.63 and 6,483.60

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Solution

The fourth proportional to 11,263.86, 15,543.63 and 6,483.60 is: 8,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.86 : 15,543.63 = 6,483.60 : x
  2. Step 2: Convert to fraction form
    11,263.86/15,543.63 = 6,483.60/x
  3. Step 3: Cross multiply
    11,263.86x = 15,543.63 × 6,483.60
  4. Step 4: Simplify right side
    11,263.86x = 100,778,679.47
  5. Step 5: Solve for x
    x = 100,778,679.47/11,263.86
  6. Step 6: Final answer
    x = 8,947.08

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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.