Home / 10,547.21-14,555.69-6,071.61

Finding the Fourth Proportional to 10,547.21, 14,555.69 and 6,071.61

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Solution

The fourth proportional to 10,547.21, 14,555.69 and 6,071.61 is: 8,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.21 : 14,555.69 = 6,071.61 : x
  2. Step 2: Convert to fraction form
    10,547.21/14,555.69 = 6,071.61/x
  3. Step 3: Cross multiply
    10,547.21x = 14,555.69 × 6,071.61
  4. Step 4: Simplify right side
    10,547.21x = 88,376,400.18
  5. Step 5: Solve for x
    x = 88,376,400.18/10,547.21
  6. Step 6: Final answer
    x = 8,379.13

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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.