Home / 10,434.63-15,656.43-6,925.86

Finding the Fourth Proportional to 10,434.63, 15,656.43 and 6,925.86

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Solution

The fourth proportional to 10,434.63, 15,656.43 and 6,925.86 is: 10,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.63 : 15,656.43 = 6,925.86 : x
  2. Step 2: Convert to fraction form
    10,434.63/15,656.43 = 6,925.86/x
  3. Step 3: Cross multiply
    10,434.63x = 15,656.43 × 6,925.86
  4. Step 4: Simplify right side
    10,434.63x = 108,434,242.28
  5. Step 5: Solve for x
    x = 108,434,242.28/10,434.63
  6. Step 6: Final answer
    x = 10,391.77

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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.