Home / 12,316.60-18,482.10-4,526.20

Finding the Fourth Proportional to 12,316.60, 18,482.10 and 4,526.20

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Solution

The fourth proportional to 12,316.60, 18,482.10 and 4,526.20 is: 6,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.60 : 18,482.10 = 4,526.20 : x
  2. Step 2: Convert to fraction form
    12,316.60/18,482.10 = 4,526.20/x
  3. Step 3: Cross multiply
    12,316.60x = 18,482.10 × 4,526.20
  4. Step 4: Simplify right side
    12,316.60x = 83,653,681.02
  5. Step 5: Solve for x
    x = 83,653,681.02/12,316.60
  6. Step 6: Final answer
    x = 6,791.95

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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.