Home / 7,135.28-9,848.04-4,340.24

Finding the Fourth Proportional to 7,135.28, 9,848.04 and 4,340.24

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Solution

The fourth proportional to 7,135.28, 9,848.04 and 4,340.24 is: 5,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.28 : 9,848.04 = 4,340.24 : x
  2. Step 2: Convert to fraction form
    7,135.28/9,848.04 = 4,340.24/x
  3. Step 3: Cross multiply
    7,135.28x = 9,848.04 × 4,340.24
  4. Step 4: Simplify right side
    7,135.28x = 42,742,857.13
  5. Step 5: Solve for x
    x = 42,742,857.13/7,135.28
  6. Step 6: Final answer
    x = 5,990.35

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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.