Home / 7,329.32-10,116.28-4,187.34

Finding the Fourth Proportional to 7,329.32, 10,116.28 and 4,187.34

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Solution

The fourth proportional to 7,329.32, 10,116.28 and 4,187.34 is: 5,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.32 : 10,116.28 = 4,187.34 : x
  2. Step 2: Convert to fraction form
    7,329.32/10,116.28 = 4,187.34/x
  3. Step 3: Cross multiply
    7,329.32x = 10,116.28 × 4,187.34
  4. Step 4: Simplify right side
    7,329.32x = 42,360,303.90
  5. Step 5: Solve for x
    x = 42,360,303.90/7,329.32
  6. Step 6: Final answer
    x = 5,779.57

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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.