Home / 12,686,049-17,506,756.62-6,884,829.36

Finding the Fourth Proportional to 12,686,049, 17,506,756.62 and 6,884,829.36

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Solution

The fourth proportional to 12,686,049, 17,506,756.62 and 6,884,829.36 is: 9,501,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,049 : 17,506,756.62 = 6,884,829.36 : x
  2. Step 2: Convert to fraction form
    12,686,049/17,506,756.62 = 6,884,829.36/x
  3. Step 3: Cross multiply
    12,686,049x = 17,506,756.62 × 6,884,829.36
  4. Step 4: Simplify right side
    12,686,049x = 120,531,031,975,750.38
  5. Step 5: Solve for x
    x = 120,531,031,975,750.38/12,686,049
  6. Step 6: Final answer
    x = 9,501,069.40

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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.