Home / 11,237.51-15,500.55-6,762.66

Finding the Fourth Proportional to 11,237.51, 15,500.55 and 6,762.66

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Solution

The fourth proportional to 11,237.51, 15,500.55 and 6,762.66 is: 9,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.51 : 15,500.55 = 6,762.66 : x
  2. Step 2: Convert to fraction form
    11,237.51/15,500.55 = 6,762.66/x
  3. Step 3: Cross multiply
    11,237.51x = 15,500.55 × 6,762.66
  4. Step 4: Simplify right side
    11,237.51x = 104,824,949.46
  5. Step 5: Solve for x
    x = 104,824,949.46/11,237.51
  6. Step 6: Final answer
    x = 9,328.13

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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.