Home / 12,316.79-18,482.55-4,526.39

Finding the Fourth Proportional to 12,316.79, 18,482.55 and 4,526.39

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Solution

The fourth proportional to 12,316.79, 18,482.55 and 4,526.39 is: 6,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.79 : 18,482.55 = 4,526.39 : x
  2. Step 2: Convert to fraction form
    12,316.79/18,482.55 = 4,526.39/x
  3. Step 3: Cross multiply
    12,316.79x = 18,482.55 × 4,526.39
  4. Step 4: Simplify right side
    12,316.79x = 83,659,229.49
  5. Step 5: Solve for x
    x = 83,659,229.49/12,316.79
  6. Step 6: Final answer
    x = 6,792.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.