Home / 10,167.34-15,243.18-4,899.64

Finding the Fourth Proportional to 10,167.34, 15,243.18 and 4,899.64

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Solution

The fourth proportional to 10,167.34, 15,243.18 and 4,899.64 is: 7,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.34 : 15,243.18 = 4,899.64 : x
  2. Step 2: Convert to fraction form
    10,167.34/15,243.18 = 4,899.64/x
  3. Step 3: Cross multiply
    10,167.34x = 15,243.18 × 4,899.64
  4. Step 4: Simplify right side
    10,167.34x = 74,686,094.46
  5. Step 5: Solve for x
    x = 74,686,094.46/10,167.34
  6. Step 6: Final answer
    x = 7,345.69

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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.