Home / 10,124.37-13,973.40-6,543.72

Finding the Fourth Proportional to 10,124.37, 13,973.40 and 6,543.72

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Solution

The fourth proportional to 10,124.37, 13,973.40 and 6,543.72 is: 9,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.37 : 13,973.40 = 6,543.72 : x
  2. Step 2: Convert to fraction form
    10,124.37/13,973.40 = 6,543.72/x
  3. Step 3: Cross multiply
    10,124.37x = 13,973.40 × 6,543.72
  4. Step 4: Simplify right side
    10,124.37x = 91,438,017.05
  5. Step 5: Solve for x
    x = 91,438,017.05/10,124.37
  6. Step 6: Final answer
    x = 9,031.48

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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.