Home / 38,989.94-58,484.40-9,407.52

Finding the Fourth Proportional to 38,989.94, 58,484.40 and 9,407.52

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Solution

The fourth proportional to 38,989.94, 58,484.40 and 9,407.52 is: 14,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,989.94 : 58,484.40 = 9,407.52 : x
  2. Step 2: Convert to fraction form
    38,989.94/58,484.40 = 9,407.52/x
  3. Step 3: Cross multiply
    38,989.94x = 58,484.40 × 9,407.52
  4. Step 4: Simplify right side
    38,989.94x = 550,193,127.41
  5. Step 5: Solve for x
    x = 550,193,127.41/38,989.94
  6. Step 6: Final answer
    x = 14,111.16

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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.