Home / 11,216.95-15,478.49-6,501.53

Finding the Fourth Proportional to 11,216.95, 15,478.49 and 6,501.53

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Solution

The fourth proportional to 11,216.95, 15,478.49 and 6,501.53 is: 8,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.95 : 15,478.49 = 6,501.53 : x
  2. Step 2: Convert to fraction form
    11,216.95/15,478.49 = 6,501.53/x
  3. Step 3: Cross multiply
    11,216.95x = 15,478.49 × 6,501.53
  4. Step 4: Simplify right side
    11,216.95x = 100,633,834.58
  5. Step 5: Solve for x
    x = 100,633,834.58/11,216.95
  6. Step 6: Final answer
    x = 8,971.59

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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.