Home / 10,473.72-15,709.14-3,547.32

Finding the Fourth Proportional to 10,473.72, 15,709.14 and 3,547.32

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Solution

The fourth proportional to 10,473.72, 15,709.14 and 3,547.32 is: 5,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.72 : 15,709.14 = 3,547.32 : x
  2. Step 2: Convert to fraction form
    10,473.72/15,709.14 = 3,547.32/x
  3. Step 3: Cross multiply
    10,473.72x = 15,709.14 × 3,547.32
  4. Step 4: Simplify right side
    10,473.72x = 55,725,346.50
  5. Step 5: Solve for x
    x = 55,725,346.50/10,473.72
  6. Step 6: Final answer
    x = 5,320.49

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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.