Home / 28,693.05-43,045.67-8,973.10

Finding the Fourth Proportional to 28,693.05, 43,045.67 and 8,973.10

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Solution

The fourth proportional to 28,693.05, 43,045.67 and 8,973.10 is: 13,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.05 : 43,045.67 = 8,973.10 : x
  2. Step 2: Convert to fraction form
    28,693.05/43,045.67 = 8,973.10/x
  3. Step 3: Cross multiply
    28,693.05x = 43,045.67 × 8,973.10
  4. Step 4: Simplify right side
    28,693.05x = 386,252,886.25
  5. Step 5: Solve for x
    x = 386,252,886.25/28,693.05
  6. Step 6: Final answer
    x = 13,461.55

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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.