Home / 9,438.93-13,024.95-5,557.72

Finding the Fourth Proportional to 9,438.93, 13,024.95 and 5,557.72

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Solution

The fourth proportional to 9,438.93, 13,024.95 and 5,557.72 is: 7,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.93 : 13,024.95 = 5,557.72 : x
  2. Step 2: Convert to fraction form
    9,438.93/13,024.95 = 5,557.72/x
  3. Step 3: Cross multiply
    9,438.93x = 13,024.95 × 5,557.72
  4. Step 4: Simplify right side
    9,438.93x = 72,389,025.11
  5. Step 5: Solve for x
    x = 72,389,025.11/9,438.93
  6. Step 6: Final answer
    x = 7,669.20

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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.