Home / 9,130.41-12,594.96-5,587.47

Finding the Fourth Proportional to 9,130.41, 12,594.96 and 5,587.47

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Solution

The fourth proportional to 9,130.41, 12,594.96 and 5,587.47 is: 7,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.41 : 12,594.96 = 5,587.47 : x
  2. Step 2: Convert to fraction form
    9,130.41/12,594.96 = 5,587.47/x
  3. Step 3: Cross multiply
    9,130.41x = 12,594.96 × 5,587.47
  4. Step 4: Simplify right side
    9,130.41x = 70,373,961.15
  5. Step 5: Solve for x
    x = 70,373,961.15/9,130.41
  6. Step 6: Final answer
    x = 7,707.65

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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.