Home / 11,368.95-15,688.62-6,333.12

Finding the Fourth Proportional to 11,368.95, 15,688.62 and 6,333.12

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Solution

The fourth proportional to 11,368.95, 15,688.62 and 6,333.12 is: 8,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.95 : 15,688.62 = 6,333.12 : x
  2. Step 2: Convert to fraction form
    11,368.95/15,688.62 = 6,333.12/x
  3. Step 3: Cross multiply
    11,368.95x = 15,688.62 × 6,333.12
  4. Step 4: Simplify right side
    11,368.95x = 99,357,913.09
  5. Step 5: Solve for x
    x = 99,357,913.09/11,368.95
  6. Step 6: Final answer
    x = 8,739.41

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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.