Home / 9,113.72-13,656.90-7,030.60

Finding the Fourth Proportional to 9,113.72, 13,656.90 and 7,030.60

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Solution

The fourth proportional to 9,113.72, 13,656.90 and 7,030.60 is: 10,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.72 : 13,656.90 = 7,030.60 : x
  2. Step 2: Convert to fraction form
    9,113.72/13,656.90 = 7,030.60/x
  3. Step 3: Cross multiply
    9,113.72x = 13,656.90 × 7,030.60
  4. Step 4: Simplify right side
    9,113.72x = 96,016,193.36
  5. Step 5: Solve for x
    x = 96,016,193.36/9,113.72
  6. Step 6: Final answer
    x = 10,535.35

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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.