Home / 7,316.16-10,921.20-6,803.46

Finding the Fourth Proportional to 7,316.16, 10,921.20 and 6,803.46

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Solution

The fourth proportional to 7,316.16, 10,921.20 and 6,803.46 is: 10,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.16 : 10,921.20 = 6,803.46 : x
  2. Step 2: Convert to fraction form
    7,316.16/10,921.20 = 6,803.46/x
  3. Step 3: Cross multiply
    7,316.16x = 10,921.20 × 6,803.46
  4. Step 4: Simplify right side
    7,316.16x = 74,301,947.35
  5. Step 5: Solve for x
    x = 74,301,947.35/7,316.16
  6. Step 6: Final answer
    x = 10,155.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.