Home / 12,028.04-16,590.90-7,547.88

Finding the Fourth Proportional to 12,028.04, 16,590.90 and 7,547.88

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Solution

The fourth proportional to 12,028.04, 16,590.90 and 7,547.88 is: 10,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.04 : 16,590.90 = 7,547.88 : x
  2. Step 2: Convert to fraction form
    12,028.04/16,590.90 = 7,547.88/x
  3. Step 3: Cross multiply
    12,028.04x = 16,590.90 × 7,547.88
  4. Step 4: Simplify right side
    12,028.04x = 125,226,191.58
  5. Step 5: Solve for x
    x = 125,226,191.58/12,028.04
  6. Step 6: Final answer
    x = 10,411.18

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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.