Home / 10,613.57-14,646.80-6,637.01

Finding the Fourth Proportional to 10,613.57, 14,646.80 and 6,637.01

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Solution

The fourth proportional to 10,613.57, 14,646.80 and 6,637.01 is: 9,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.57 : 14,646.80 = 6,637.01 : x
  2. Step 2: Convert to fraction form
    10,613.57/14,646.80 = 6,637.01/x
  3. Step 3: Cross multiply
    10,613.57x = 14,646.80 × 6,637.01
  4. Step 4: Simplify right side
    10,613.57x = 97,210,958.07
  5. Step 5: Solve for x
    x = 97,210,958.07/10,613.57
  6. Step 6: Final answer
    x = 9,159.12

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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.