Home / 8,547.04-12,820.74-2,705.32

Finding the Fourth Proportional to 8,547.04, 12,820.74 and 2,705.32

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Solution

The fourth proportional to 8,547.04, 12,820.74 and 2,705.32 is: 4,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.04 : 12,820.74 = 2,705.32 : x
  2. Step 2: Convert to fraction form
    8,547.04/12,820.74 = 2,705.32/x
  3. Step 3: Cross multiply
    8,547.04x = 12,820.74 × 2,705.32
  4. Step 4: Simplify right side
    8,547.04x = 34,684,204.34
  5. Step 5: Solve for x
    x = 34,684,204.34/8,547.04
  6. Step 6: Final answer
    x = 4,058.04

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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.