Home / 10,148.34-14,004.65-5,672.08

Finding the Fourth Proportional to 10,148.34, 14,004.65 and 5,672.08

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Solution

The fourth proportional to 10,148.34, 14,004.65 and 5,672.08 is: 7,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.34 : 14,004.65 = 5,672.08 : x
  2. Step 2: Convert to fraction form
    10,148.34/14,004.65 = 5,672.08/x
  3. Step 3: Cross multiply
    10,148.34x = 14,004.65 × 5,672.08
  4. Step 4: Simplify right side
    10,148.34x = 79,435,416.18
  5. Step 5: Solve for x
    x = 79,435,416.18/10,148.34
  6. Step 6: Final answer
    x = 7,827.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.