Home / 7,030.12-9,701.50-3,886.32

Finding the Fourth Proportional to 7,030.12, 9,701.50 and 3,886.32

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Solution

The fourth proportional to 7,030.12, 9,701.50 and 3,886.32 is: 5,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.12 : 9,701.50 = 3,886.32 : x
  2. Step 2: Convert to fraction form
    7,030.12/9,701.50 = 3,886.32/x
  3. Step 3: Cross multiply
    7,030.12x = 9,701.50 × 3,886.32
  4. Step 4: Simplify right side
    7,030.12x = 37,703,133.48
  5. Step 5: Solve for x
    x = 37,703,133.48/7,030.12
  6. Step 6: Final answer
    x = 5,363.09

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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.