Home / 12,363.50-18,547.58-4,968.55

Finding the Fourth Proportional to 12,363.50, 18,547.58 and 4,968.55

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Solution

The fourth proportional to 12,363.50, 18,547.58 and 4,968.55 is: 7,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.50 : 18,547.58 = 4,968.55 : x
  2. Step 2: Convert to fraction form
    12,363.50/18,547.58 = 4,968.55/x
  3. Step 3: Cross multiply
    12,363.50x = 18,547.58 × 4,968.55
  4. Step 4: Simplify right side
    12,363.50x = 92,154,461.03
  5. Step 5: Solve for x
    x = 92,154,461.03/12,363.50
  6. Step 6: Final answer
    x = 7,453.75

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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.