Home / 11,295.56-15,587.64-6,259.77

Finding the Fourth Proportional to 11,295.56, 15,587.64 and 6,259.77

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Solution

The fourth proportional to 11,295.56, 15,587.64 and 6,259.77 is: 8,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.56 : 15,587.64 = 6,259.77 : x
  2. Step 2: Convert to fraction form
    11,295.56/15,587.64 = 6,259.77/x
  3. Step 3: Cross multiply
    11,295.56x = 15,587.64 × 6,259.77
  4. Step 4: Simplify right side
    11,295.56x = 97,575,041.24
  5. Step 5: Solve for x
    x = 97,575,041.24/11,295.56
  6. Step 6: Final answer
    x = 8,638.35

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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.