Home / 10,262.93-14,162.81-5,547.20

Finding the Fourth Proportional to 10,262.93, 14,162.81 and 5,547.20

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Solution

The fourth proportional to 10,262.93, 14,162.81 and 5,547.20 is: 7,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.93 : 14,162.81 = 5,547.20 : x
  2. Step 2: Convert to fraction form
    10,262.93/14,162.81 = 5,547.20/x
  3. Step 3: Cross multiply
    10,262.93x = 14,162.81 × 5,547.20
  4. Step 4: Simplify right side
    10,262.93x = 78,563,841.08
  5. Step 5: Solve for x
    x = 78,563,841.08/10,262.93
  6. Step 6: Final answer
    x = 7,655.11

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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.